                         NOT RECOMMENDED FOR PUBLICATION
                                File Name: 20a0279n.06

                                        Nos. 19-1979/1981

                           UNITED STATES COURT OF APPEALS
                                FOR THE SIXTH CIRCUIT


 CITY OF HIGHLAND PARK, MICHIGAN,                         )                           FILED
                                                          )                     May 18, 2020
         Plaintiff-Appellant,
                                                          )
                                                                            DEBORAH S. HUNT, Clerk
                                                          )
         v.
                                                          )
 ENVIRONMENTAL PROTECTION AGENCY,                         )
                                                          )
         Defendant,                                               ON APPEAL FROM THE
                                                          )
                                                                  UNITED STATES DISTRICT
                                                          )
 GREAT LAKES WATER AUTHORITY and                                  COURT FOR THE EASTERN
                                                          )
 SUSAN MCCORMICK (19-1979); CITY OF                               DISTRICT OF MICHIGAN
                                                          )
 DETROIT, MICHIGAN, DETROIT WATER AND                     )
 SEWERAGE DEPARTMENT, and GREAT                           )
 LAKES WATER AUTHORITY (19-1981),                         )
         Defendants - Appellees.                          )



       Before: BOGGS, GRIFFIN, and LARSEN, Circuit Judges.

       LARSEN, Circuit Judge. Like many small municipalities, the City of Highland Park relies

on others to treat its wastewater. For many years Highland Park contracted with the City of Detroit

and Detroit Water and Sewerage Department (DWSD) for wastewater treatment; now it relies on

the Great Lakes Water Authority (GLWA).             These relationships have produced extensive

litigation; the present suits are the latest rounds. In both lawsuits, Highland Park complains that it

was charged too much for water and wastewater treatment. In the first case (Docket No. 19-1979),

Highland Park sued GLWA, GLWA’s CEO Sue McCormick, the EPA, and other entities and

individuals, raising twelve claims in total. The district court dismissed them all. Highland Park

now hopes to resurrect only one—a claim against GLWA and McCormick for violation of a
Nos. 19-1979/1981, City of Highland Park v. EPA, et al.


National Pollutant Discharge Elimination System (NPDES) permit. In the second case (Docket

No. 19-1981), Highland Park sued Detroit, DWSD, and GLWA, raising claims for breach of

contract and declaratory relief. The district court dismissed those claims too. Highland Park

appeals only the dismissal of the breach-of-contract claim. We conclude that the district court

correctly dismissed Highland Park’s claim based on the NPDES permit in Docket No. 19-1979

and the breach-of-contract claim in Docket No. 19-1981. Accordingly, we AFFIRM.

                                                  I.

       Although Highland Park owns and operates a system to collect sanitary sewage and

stormwater (wastewater) within its city limits, it does not operate a treatment facility. In the past,

Detroit and DWSD provided treatment services to Highland Park, pursuant to a contract formed

in 1983 (1983 Contract). In 2015, however, Detroit leased its treatment system to GLWA and, in

the process, assigned any contracts with Highland Park to GLWA. Highland Park’s sewage and

stormwater system is connected to GLWA’s treatment system, and all wastewater generated in

Highland Park now goes through GLWA’s treatment facility.

       Not surprisingly, the operation of a treatment facility is highly regulated. To provide

stormwater treatment services, DWSD was required to obtain an NPDES permit from the State of

Michigan Department of Environment Quality.1 It did so, and its Permit took effect on May 1,

2013. GLWA became a co-permittee when it leased Detroit’s treatment facility. The Permit

governs GLWA’s operation of its treatment facilities and sets forth numerous requirements, many




1
  Although “[t]he United States Environmental Protection Agency (EPA) is principally responsible
for administering the NPDES permit system, . . . it may lawfully delegate permit issuing authority
to state government.” Nat’l Wildlife Fed’n v. Consumers Power Co., 862 F.2d 580, 582 (6th Cir.
1988). The EPA delegated its authority to the State of Michigan in 1974. See Approval of State
Programs, 39 Fed. Reg. 26,061 (July 16, 1974).

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Nos. 19-1979/1981, City of Highland Park v. EPA, et al.


related to combined sewer overflows (CSOs).2 The EPA also regulates treatment facilities through

various other policies and guidance documents. Three are relevant here: the CSO Control Policy,

Guidance for Financial Capability Assessment and Schedule Development (Financial Capability

Guidance), and Guidance for Funding Options (Funding Options Guidance).

       Beyond the various regulations, policies, and guidance documents, a host of contracts and

judgments govern the parties’ relationship. Long before Detroit leased its system to GLWA,

Detroit twice sued Highland Park over Highland Park’s failure to pay Detroit for sewer services;

Highland Park’s failure to adequately charge its residents for sewer services contributed to its

shortfall on its payments to Detroit. Detroit received money judgments against Highland Park in

both cases, but the parties settled the cases while Highland Park’s appeals were pending. The

resulting settlement agreement (the 1996 Settlement Agreement) set terms to ensure Highland Park

would charge and collect from its customers, so that, in turn, Highland Park would pay for Detroit’s

services. At the same time, the parties entered into an Amended Consent Judgment, which

encapsulated many of the terms from the 1996 Settlement Agreement and explained how Highland

Park would pay the arrearages it owed Detroit.

       In 2013, Detroit again sued Highland Park in federal district court, once again alleging that

Highland Park had failed to fully and timely pay for Detroit’s treatment services. After the district

court dismissed various claims, only a claim that Highland Park had breached the Amended

Consent Judgment remained. The district court later dismissed that claim too, concluding that it

lacked subject-matter jurisdiction. The court acknowledged that the parties had entered into

various oral and written agreements since the Amended Consent Judgment. And the Amended



2
  The defendants explain, “A CSO occurs when a combination of stormwater and wastewater is
discharged directly into a body of navigable water without treatment.” Docket No. 19-1978,
Appellees Br. at 7.
                                                 -3-
Nos. 19-1979/1981, City of Highland Park v. EPA, et al.


Consent Judgment did not provide “for federal court jurisdiction over any future billing disputes

that may arise between the parties.” According to the court, construing the Amended Consent

Judgment in that manner “would be to provide, in perpetuity, a federal-court forum for garden-

variety, state-law breach of contract claims.”

       Detroit then took its grievance to Michigan circuit court and obtained a judgment against

Highland Park for nearly $20 million in unpaid wastewater-treatment charges and water-supply

services. The circuit court concluded that Highland Park had breached various agreements.

Highland Park’s appeals from the judgment failed in both the Michigan Court of Appeals and the

Michigan Supreme Court. Nonetheless, on return to the state circuit court, the court allowed

Highland Park to proceed on a counterclaim as a potential setoff to the judgment.              The

counterclaim, which remains pending, alleged that the 1996 Settlement Agreement and Amended

Consent Judgment remain in effect and prescribe the rates Detroit may charge for its services. The

counterclaim also sought a declaration that Detroit had overcharged for its services.3

Docket No. 19-1979 – Clean Water Act Claim

       Litigation in state court was not enough. Highland Park also sued GLWA, McCormick,4

and other individuals and entities, including the EPA, in federal court for violations of the Clean

Water Act (Docket No. 19-1979). Highland Park raised twelve claims, all of which the district

court dismissed. Only one matters for this appeal, however, as Highland Park challenges only the

district court’s decision to dismiss Count Nine of its First Amended Complaint, in which Highland

Park brought a citizen suit under the Clean Water Act against GLWA for allegedly violating the


3
  According to the defendants, “[t]he counterclaim has since been amended, but these basic claims
remain, although now primarily against GLWA rather than [Detroit].” Docket No. 19-1981,
Appellees Br. at 15 n.8.
4
 The parties treat GLWA and McCormick as one for the purposes of this appeal. We do the same,
using “GLWA” to refer to both GLWA and McCormick when discussing Docket No. 19-1979.
                                                 -4-
Nos. 19-1979/1981, City of Highland Park v. EPA, et al.


Permit. See 33 U.S.C. § 1365(a). Highland Park alleged that a variety of GLWA actions had

violated the Permit by failing to comply with the CSO Control Policy, the Financial Capability

Guidance, or the Funding Options Guidance.

       GLWA moved to dismiss for lack of jurisdiction under Federal Rule of Civil Procedure

12(b)(1) and for failure to state a claim under Rule 12(b)(6). The district court determined that it

lacked subject-matter jurisdiction over Highland Park’s claim because it had “fail[ed] to allege any

facts that GLWA Defendants violated a condition of a permit issued pursuant to 33 U.S.C. § 1342.”

The district court denied Highland Park’s motion for reconsideration. Highland Park appealed.

Docket No. 19-1981 – Breach‑of‑Contract Claim

       One federal suit also was not enough. So Highland Park sued Detroit, DWSD, and GLWA.

Highland Park sought a declaratory judgment that (1) it had complied with the terms of the

Amended Consent Judgment while (2) defendants had violated the Amended Consent Judgment

(and were thus in contempt of court) because they had secured a state-court judgment against

Highland Park based on rates higher than those set forth in the Amended Consent Judgment

(Docket No. 19-1981). Highland Park also claimed breach of contract, alleging that the defendants

had “breached one or more terms of the Settlement Agreement and Sewage Agreements by, among

other things, billing Highland Park over $17.4 million from 2006 to 2014 in excess of amounts to

be deposited under the [Amended Consent Judgment].”

       The defendants moved to dismiss for lack of subject-matter jurisdiction. The district court

granted the motion, calling Highland Park’s claim an “ordinary breach-of-contract claim, which

c[ould] effectively be resolved in state court” and concluding that it did “not retain perpetual

jurisdiction over breach-of-contract claims arising out of the Consent Judgment.” The court also

declined to exercise jurisdiction over Highland Park’s declaratory-judgment claims, viewing those



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Nos. 19-1979/1981, City of Highland Park v. EPA, et al.


as Highland Park’s attempt to have a federal court decide the “parties’ state court breach-of-

contract claims, simply clothed as a different cause of action.”         Highland Park appealed,

challenging only the district court’s determination that it lacked subject-matter jurisdiction over

the breach-of-contract claim.5

                        II. Docket No. 19-1979 – Clean Water Act Claim

       The Clean Water Act’s citizen-suit provision states that “any citizen may commence a civil

action on his own behalf . . . against any person . . . who is alleged to be in violation of . . . an

effluent standard or limitation under this chapter.” 33 U.S.C. § 1365(a)(1). An “effluent standard

or limitation” includes an NPDES permit or condition of an NPDES permit. See id. § 1365(f)(7).

This includes state-issued NPDES permits. See Parker v. Scrap Metal Processors, Inc., 386 F.3d

993, 1005–08 (11th Cir. 2004).

       Citizen suits under the Clean Water Act are limited in nature. Askins v. Ohio Dep’t of

Agric., 809 F.3d 868, 875 (6th Cir. 2016). “If Congress intended the citizen suit to be all

encompassing, it would have permitted suit for all violations of the Clean Water Act, rather than

specifying limited circumstances.” Id. The EPA and the states remain “the primary enforcers of

the Clean Water Act.” Id. The citizen suit “serves only as a backup, ‘permitting citizens to abate

pollution when the government cannot or will not command compliance.’” Id. (quoting Gwaltney

of Smithfield v. Chesapeake Bay Found., 484 U.S. 49, 62 (1987)).

       Highland Park’s citizen suit is premised on GLWA’s alleged violation of three EPA

documents—the Financial Capability Guidance, the CSO Control Policy, and the Funding Options

Guidance—all of which Highland Park tries to tie to the Permit. We discuss each in turn.



5
 To the extent Highland Park sought to appeal the dismissal of its declaratory-judgment claims, it
has forfeited any appeals of them by offering incomprehensible arguments at best. See United
States v. Johnson, 440 F.3d 832, 846 (6th Cir. 2006).
                                                -6-
Nos. 19-1979/1981, City of Highland Park v. EPA, et al.


       Financial Capability Guidance. The EPA promulgated the Financial Capability Guidance

in 1997. Docket No. 19-1979, R. 87-21, PageID 3671.6 The Guidance serves two purposes: “to

provide a planning tool for evaluating the financial resources a permittee has available to

implement CSO controls” and “to assist the permittee, EPA and state NPDES authorities in

cooperatively developing CSO control implementation schedules.” Id. at PageID 3679–80. The

Guidance cautions that it “does not recommend specific schedules for implementation of the CSO

controls based on financial capability or other considerations identified in the CSO Policy. It does,

however, provide general boundaries to aid all parties in negotiating reasonable and effective

schedules for implementation of the CSO controls.” Id. at PageID 3680. The parties agree that

the Permit specifically references the Financial Capability Guidance only once. The Permit states:

       The permittee shall prepare an evaluation of Financial Capability, consistent with
       state and federal guidance, and shall submit the evaluation with the applications for
       reissuance of this permit . . . . The Financial Capability Report shall be in the form
       of previous reports utilizing the [Financial Capability Guidance], and updated with
       information as may be available in order to assess the permittee’s ability to
       undertake future capital improvement projects related to the Long-Term CSO
       Control Program.

Docket No. 19-1979, R. 87-19, PageID 3639.

       The district court was right to dismiss Highland Park’s claim based on the Financial

Capability Guidance, though we conclude that the dismissal is properly grounded in Federal Rule

of Civil Procedure 12(b)(6), rather than Rule 12(b)(1). Rule 12(b)(1) authorizes district courts to

dismiss complaints for lack of subject-matter jurisdiction. The CWA provides district courts with

jurisdiction over citizen suits that allege a violation of a permit or a condition of a permit. 33

U.S.C. § 1365(a), (f). Highland Park’s claim falls within the district court’s jurisdiction because



6
  Combined Sewer Overflows—Guidance for Financial Capability Assessment and Schedule
Development      (Final)    (EPA      832-B-97-004) (Feb.    1997),   available   at
https://www3.epa.gov/npdes/pubs/csofc.pdf.
                                                -7-
Nos. 19-1979/1981, City of Highland Park v. EPA, et al.


it alleges that GLWA violated the Permit or a condition of it by not complying with the Financial

Capability Guidance, which is an express requirement of the Permit.

       Nonetheless, the district court’s judgment dismissing Highland Park’s complaint was

correct. GLWA also moved to dismiss under Rule 12(b)(6) for failure to state a claim, and we

may affirm the judgment on this ground. See Morrison v. Nat’l Australia Bank Ltd., 561 U.S. 247,

254 (2010) (resolving the case on Rule 12(b)(6) grounds after determining that the courts below

erroneously dismissed under Rule 12(b)(1) because “nothing in the analysis of the courts below

turned on the mistake” and “a remand would only require a new Rule 12(b)(6) label for the same

Rule 12(b)(1) conclusion”), superseded by statute on other grounds, Dodd–Frank Wall Street

Reform and Consumer Protection Act, Pub. L. No. 111-203, 124 Stat. 1376 (2010); Loftis v. United

Parcel Serv., Inc., 342 F.3d 509, 514 (6th Cir. 2003) (“In reviewing a lower court decision, we

may affirm for any reason presented in the record, even if the reason was not raised below.”).

       Despite the Rule 12(b)(1) label, the district court’s reasoning supports dismissal under Rule

12(b)(6). “To survive a motion to dismiss, the plaintiff must allege facts that, if accepted as true,

are sufficient to state a claim to relief that is plausible on its face.” Cooper Butt ex rel Q.T.R. v.

Barr, 954 F.3d 901, 904 (6th Cir. 2020). In dismissing Highland Park’s claim based on the

Financial Capability Guidance, the district court explained that the Permit “requires GLWA to

utilize the Guidance Document only when preparing its evaluation of financial capability. Plaintiff

fails to allege facts that GLWA Defendants submitted evaluations that did not conform to the

Guidance Document.” Docket No. 19-1979, R. 109, PageID 4974. In its denial of plaintiff’s

motion for reconsideration, the district court elaborated on its reasoning:

       The allegations included in Plaintiff’s ninth cause of action are a combination of
       conclusory assertions that “[p]ermittee GLWA continues to violate its permit in
       failing to evaluate Financial Capability consistent with state and federal guidance”
       and factual allegations unrelated to the evaluation-preparation process. Plaintiff’s

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Nos. 19-1979/1981, City of Highland Park v. EPA, et al.


       factual allegations were insufficient because they related to how GLWA
       Defendants charge their clients—particularly Plaintiff—not to the process GLWA
       Defendants went through in preparing their financial evaluations or the text of the
       evaluations that GLWA Defendants submitted.

Docket No. 19-1979, R. 117, PageID 5146–47 (alteration in original) (citations omitted).

       We agree with the district court. The Permit imposes two requirements on GLWA in

relation to the Financial Capability Guidance. GLWA must (1) prepare and submit an evaluation

that conforms with the Financial Capability Guidance “with the applications for reissuance of this

permit,” and (2) update the evaluation “with information as may be available in order to assess the

permittee’s ability to undertake future capital improvement projects related to the Long-Term CSO

Control Program.” Docket No. 19-1979, R. 87-19, PageID 3639. Thus, GLWA can violate this

provision of the Permit only by failing to properly prepare or submit an evaluation along with a

resubmission application or failing to update the evaluation with the required information.

       The allegations in Highland Park’s complaint do not relate to the preparation or submission

of future resubmission applications. Indeed, Highland Park makes no mention of a resubmission

application. So that leaves only the requirement that GLWA update an evaluation, but that

requirement is limited. GLWA must update an evaluation only “with information as may be

available in order to assess the permittee’s ability to undertake future capital improvement projects

related to the Long-Term CSO Control Program.” Id. Highland Park does not allege that GLWA

has failed to update an evaluation, nor does it explain what information GLWA is withholding that

would allow the Michigan Department of Environmental Quality to assess GLWA’s ability to

undertake future improvement projects.

       Highland Park instead alleges various ways in which GLWA has reduced its financial

capability and overcharged Highland Park for sewer services. Elsewhere, it alleges that GLWA

failed to properly calculate various charges and costs, but it does not say when these alleged

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Nos. 19-1979/1981, City of Highland Park v. EPA, et al.


miscalculations occurred. Given that there is no mention of a resubmission application in the

Amended Complaint (or by the parties at any time for that matter), we can only assume that this

miscalculation occurred when Detroit and/or GLWA first obtained the Permit. So nothing in

Highland Park’s complaint refers to any GLWA failure in preparing or submitting a financial

evaluation with a resubmission application, or any failure to update the Permit with the necessary

information. As a result, Highland Park has failed to state a claim for violation of the Permit by

way of a violation of the Financial Capability Guidance.

       CSO Control Policy. The EPA published the CSO Control Policy in 1994, with the goal

of “establish[ing] a consistent national approach for controlling discharges from CSOs to the

Nation’s waters through the [NPDES] permit program.” 59 Fed. Reg. 18,688, 18,688 (Apr. 19,

1994). Under the Policy, “NPDES authorities . . . are responsible for implementing this Policy. It

is their responsibility to assure that CSO permittees develop long-term CSO control plans and that

NPDES permits meet the requirements of the [Clean Water Act].” Id. at 18,690.

       The Clean Water Act requires that “[e]ach permit . . . issued pursuant to this chapter . . .

for a discharge from a municipal combined storm and sanitary sewer shall conform to the [CSO]

Control Policy . . . .” 33 U.S.C. § 1342(q)(1). The parties dispute whether this provision makes

conformance with the CSO Control Policy a condition of the Permit. The district court said it did

not. We need not decide because Highland Park has failed to state a claim in any event.

       Highland Park asserts on appeal that “[t]he gravamen of [its] Ninth claim is a violation of

the CSO Policy.” But a review of the Amended Complaint belies that claim. The Amended

Complaint quotes § 1342(q)(1)–(2) and one passage from the CSO Control Policy. The Amended

Complaint then shifts to the Financial Capability Guidance, offering numerous allegations related

to the creation of a financial capability plan consistent with that Guidance. The CSO Control



                                               -10-
Nos. 19-1979/1981, City of Highland Park v. EPA, et al.


Policy is again mentioned briefly, within a quote from the Financial Capability Guidance. The

only other reference to the CSO Control Policy (through its citation of § 1342(q)) is the following

vague allegation: “GLWA is in violation of 33 USCA § 1342(c) and (q) and § 1314(i)(2) under

§ 1342(k) by not following its permit requirement to utilize [the Financial Capability Guidance],

and updated [sic] with information as may be available to assess the permittee’s ability to

undertake future capital improvement projects related to the Long-Term CSO Control Program.”

How this amounts to a violation of the CSO Control Policy the reader is not told.

       Far from being the gravamen of the complaint, as Highland Park now dubiously states, the

CSO Control Policy is scarcely mentioned. Highland Park’s complaint does not allege that the

CSO Control Policy is part of the Permit, or that conformance with it is a condition of the Permit

(other than a rote recitation of § 1342(q)). Highland Park does not highlight the portions of the

CSO Control Policy (which is lengthy and convoluted) that GLWA allegedly violated, nor does it

offer any facts tied to a violation of the Policy. To put it simply, Highland Park never explained

how it purported to proceed by citizen suit against GLWA for violation of the CSO Control Policy.

       The complaint shows clearly that Highland Park failed to pursue a claim based on the CSO

Control Policy, offering at best conclusory allegations related to the Policy. The district court was

right to dismiss any such claim. See Ashcroft v. Iqbal, 556 U.S. 662, 678–79 (2009) (recognizing

that conclusory allegations will not survive a motion to dismiss under Rule 12(b)(6)).

       Funding Options Guidance. The final source of an alleged permit violation is the Funding

Options Guidance, promulgated by the EPA in 1995. Highland Park’s theory appears to be that

the Permit incorporated the CSO Control Policy, which in turn incorporated the Funding Options

Guidance, which GLWA in turn violated by charging ad valorem taxes for sewer services. We

need not try to make sense of this argument. In its opening brief, Highland Park makes no attempt



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Nos. 19-1979/1981, City of Highland Park v. EPA, et al.


to salvage its claim related to the Funding Options Guidance and instead settles for merely copying

the Amended Complaint’s allegations.7 Highland Park has forfeited any argument related to the

Funding Options Guidance. See Johnson, 440 F.3d at 845–46.

        Highland Park has not shown that the district court erred by dismissing its citizen suit

against GLWA in Docket No. 19-1979.

                       III. Docket No. 19-1981 – Breach‑of‑Contract Claim

        With respect to this lawsuit, Highland Park asserts jurisdiction under 28 U.S.C. § 1331, the

Amended Consent Judgment, 28 U.S.C. § 1651, and prior orders of the court. The district court

dismissed Highland Park’s claim for lack of subject-matter jurisdiction under Rule12(b)(1), calling

the claim an “ordinary breach-of-contract claim, which c[ould] effectively be resolved in state

court” and concluding that the court “[did] not retain perpetual jurisdiction over breach-of-contract

claims arising out of the Consent Judgment.” We review the dismissal de novo, Memphis Biofuels,

LLC v. Chickasaw Nation Industries, Inc., 585 F.3d 917, 919 (6th Cir. 2009), and conclude that

the district court was right.

        Federal-question jurisdiction gives district courts jurisdiction over “all civil actions arising

under the Constitution, laws, or treaties of the United States.” 28 U.S.C. § 1331. Highland Park’s

complaint makes no mention of the Constitution or any federal statutes or treaties. Instead,



7
  Highland Park’s First Amended Complaint makes only three cursory references to the Funding
Options Guidance. First, it states, “EPA Guidance for Financial Capability required to be utilized
as a condition of GLWA’s NPDES permit specifically refers to [the Funding Options Guidance]
as part of the overall CSO Control Policy.” It then quotes the following passage from the Funding
Options Guidance: “The primary restriction is that a user fee system must be in place that ensures
that each user or user group pays its proportionate share of operating costs, based on the quantity
and quality of wastes discharged. As a result, taxes may not be used to pay operating costs for
these projects.” The complaint then alleges, “GLWA is in clear violation of it [sic] permit
requirement to utilize [the Funding Options Guidance] because it has charged Highland Park
property owners an unconstitutional ad valorem tax for sewer services charged in violation of
GLWA duty to charge each ‘user or user group’ user fees proportionately.”
                                                 -12-
Nos. 19-1979/1981, City of Highland Park v. EPA, et al.


Highland Park appears to rest its argument for federal-question jurisdiction on the principle that

district courts retain jurisdiction to enforce their own orders, including, here, the Amended Consent

Judgment. We do not dispute the principle, of course. See Pedreira v. Sunrise Children’s Servs.,

Inc., 802 F.3d 865, 871 (6th Cir. 2015) (“[W]hen a court enters a consent decree, it retains

jurisdiction to enforce the decree.”). But that principle alone does not create jurisdiction over

Highland Park’s breach-of-contract claim.

       The district court was right that nothing in the Amended Consent Judgment purports to

reserve in the district court “perpetual jurisdiction over billing disputes between the two parties.”

The Consent Judgment is silent on the court’s continuing jurisdiction.            To the extent it

contemplates future action at all, it contemplates only that “[i]n the event that Highland Park fails

to pay Detroit for current or future services, Detroit may take any action it deems necessary or

appropriate to obtain and ensure payment for the same and to seek any further relief as may be

appropriate under the circumstances.” Docket No. 19-1981, R. 16-6, PageID 202. But such a

future action, i.e., a new lawsuit, would require its own jurisdictional grounding.

       The Amended Consent Judgment, moreover, provides only some of the terms of the

parties’ relationship. Although Highland Park’s breach-of-contract claim nominally asserts that

defendants breached the Amended Consent Judgment, the district court rightly ascertained that the

claim goes well beyond that one document. Many other agreements and orders govern the parties’

relationship, including the 1983 Contract, the 1996 Settlement Agreement, other written and oral

agreements, and opinions and judgments from the Michigan state court. All likely come into play

when considering Highland Park’s continuing quest to show that the defendants have overcharged

for their services. Even Highland Park acknowledges this in its complaint. See Docket No. 19-

1981, R. 1, PageID 15 (“Highland Park has fully and substantially complied with . . . its obligations



                                                -13-
Nos. 19-1979/1981, City of Highland Park v. EPA, et al.


under the Amended Consent Judgment/Settlement Agreement, and has not breached any of the

terms thereof or of the 1983 Agreement. GLWA has breached one or more terms of the Settlement

Agreement and Sewage Agreements . . . .”). At bottom, then, Highland Park’s claim is a run-of-

the-mill breach‑of‑contract claim that contains no federal question.

       The All Writs Act does not save Highland Park. Federal courts may “issue all writs

necessary or appropriate in aid of their respective jurisdictions and agreeable to the usages and

principles of law.” 28 U.S.C. § 1651(a). But the All Writs Act is not itself an independent source

of jurisdiction. See United States v. N.Y. Tel. Co., 434 U.S. 159, 172 (1977); see also Baze v.

Parker, 632 F.3d 338, 345 (6th Cir. 2011). Thus the Act cannot, by itself, pull Highland Park’s

breach-of-contract claim within the reach of federal jurisdiction.

       Nor do prior orders of the district court save Highland Park. Highland Park offers various

orders to show that the district court has jurisdiction over disputes between Highland Park and

Detroit. But none of the orders actually considered and found subject-matter jurisdiction. The one

order that did specifically address jurisdiction concluded that the court lacked jurisdiction over an

analogous claim. And regardless of what prior district court orders say, they do not bind us, and

we have an independent duty to assess subject-matter jurisdiction. See Arbaugh v. Y&H Corp.,

546 U.S. 500, 506–07 (2006). We conclude that it is lacking here.

       The district court appropriately dismissed for lack of jurisdiction.

                                               ***

       We AFFIRM the judgments of the district court in Docket No. 19-1979 and Docket No.

19-1981.




                                                -14-
