
660 P.2d 175 (1983)
62 Or.App. 24
Donald R. McGREGOR and Phyllis A. McGregor, husband and wife, Respondents,
v.
BARTON SAND & GRAVEL, INC., an Oregon corporation, Darin Laughery and Leona Laughery, Individually and Jointly, Appellants.
No. 80-01-390; CA A23548.
Court of Appeals of Oregon.
Argued and Submitted January 19, 1983.
Decided March 2, 1983.
*177 Anna M. Moran, Portland, argued the cause for appellants. With her on the briefs was Breathouwer & Gilman, Portland.
Robert J. Miller, Portland, argued the cause for respondents. With him on the brief were Myron Schreck, and Black, Kendall, Tremaine, Boothe & Higgins, Portland.
Before RICHARDSON, P.J., and VAN HOOMISSEN and NEWMAN, JJ.
RICHARDSON, Presiding Judge.
Plaintiffs brought this action alleging trespass, nuisance, negligence and ultrahazardous activity, arising out of the spillage and sliding of water and debris onto plaintiffs' property from artificial ponds located on defendants' property and used in connection with defendants' gravel mining operations. The trial court submitted only the trespass and ultrahazardous activity counts to the jury.[1] Plaintiffs were awarded general damages for injury to property and emotional distress, special damages and punitive damages. Defendants appeal. We reverse and remand for a new trial on the issue of punitive damages.
Defendants Laughery bought the gravel quarry site in 1972 and incorporated defendant Barton Sand & Gravel, Inc. to conduct business operations. At the time of the purchase, there was one naturally fed pond on the site, which defendants supplemented with two artificial ponds for use in cleaning gravel. Subsequently, Laughery sold the corporation and leased the site to G.D. Dennis & Sons, Inc. (Dennis). Dennis encountered financial difficulties, which resulted in Laughery's repossession of the business and the site in the spring of 1979. While in possession of the property, Dennis had constructed four more ponds by diverting the natural stream.
In November, 1977, plaintiffs purchased their property, which is located approximately 50 feet below and to the south of the ponds on defendants' property. The spillage problems were apparent from the inception of plaintiffs' possession and were still continuing at the time of trial in 1981. Plaintiffs promptly and repeatedly called the problems to Dennis' and, later, to defendants' attention and demanded that corrective measures be taken. Dennis and defendants undertook some action aimed at remedying the condition, and they promised plaintiffs that there would be further efforts. Those efforts were largely aborted, *178 however, by Dennis' financial problems, weather conditions and other factors, including defendants' dilatoriness or unsustained attention. Plaintiffs and defendants hired separate specialists to attempt to resolve the problem. The specialists' advice was conflicting; although they eventually agreed that digging trenches to divert water would be of some benefit, they apparently did not agree where the trenches should be located, and no trenches were installed.
Throughout the relevant period, plaintiffs continued to sustain serious property damage and continued to inform defendants, through engineering reports and other means, that there was a danger of ongoing and new problems, including landslides, if the conditions were not remedied. Defendants left the problem uncorrected for at least the four-year period about which this record informs us.
Defendants' first assignment of error is that the trial court incorrectly instructed the jury that the "wanton misconduct" it must find in order to assess punitive damages "is conduct amounting to a deliberate disregard of the rights of others or a reckless indifference to such." (Emphasis supplied.) Defendants correctly argue that a materially identical instruction was disapproved in Wolf v. Nordstrom, 291 Or. 828, 637 P.2d 1280 (1981), where the court said:
"* * * In particular, defendant argues that the instruction defining `wanton misconduct' as `conduct amounting to a deliberate disregard of the rights of others, or a reckless indifference to such rights' (emphasis added) violates the standard for punitive damages set by this court in Chamberlain v. Jim Fisher Motors, Inc., 282 Or. 229, 578 P.2d 1225 (1978). * * *
"This court in Chamberlain held that recklessness, by itself, will not support an award of punitive damages. Although recklessness may be a part of aggravating circumstances which justify an award of punitive damages, the trial judge erred in instructing the jury on recklessness alone as sufficient to justify an award of punitive damages. We cannot determine the standard actually used by the jury in arriving at its verdict for punitive damages and must therefore remand this case for retrial on the issue of punitive damages. * * *" 291 Or. at 834-35, 637 P.2d 1280. (Footnote omitted.)[2]
Plaintiffs agree that the instruction is contrary to Wolf but argue that, for two reasons, the giving of the instruction does not require reversal. They contend, first, that here, unlike Wolf, it can be ascertained that the award of punitive damages was based on a jury finding of deliberate disregard for the rights of others, rather than on a finding of recklessness. According to plaintiffs, they pleaded and proceeded at trial solely on the theory "that punitive damages were recoverable because the defendants' conduct was an intentional and deliberate disregard of the plaintiffs' rights." Plaintiffs note that the trial court, in summarizing their allegations for the jury, said that the complaint alleged only deliberate conduct as a basis for punitive damages, that "the questions of fact raised by the pleadings were the only questions submitted for the jury's determination" and that plaintiffs had the burden of proof on those questions.
Although it may be correct that plaintiffs sought punitive damages under their trespass count solely on the theory that defendants' conduct was deliberate, the evidence that plaintiffs adduced was not limited to that count and the evidence introduced in connection with that count was not limited to the punitive damages issue. More fundamentally, however much plaintiffs may have directed their pleading and proof to establishing that defendants' conduct was intentional, the instruction plainly communicated to the jury that plaintiffs did not *179 have to prove that much to recover punitive damages. Plaintiffs' first contention, therefore, does not satisfy us that giving the instruction is not reversible error.
Plaintiffs' second basis for contending that the error in the instruction was harmless is:
"In determining whether an error in a jury instruction is prejudicial or merely harmless, the purported error must be viewed in light of the evidence to be considered by the jury in its application of that instruction. * * *
"In this case the evidence of the defendants' deliberate disregard of the plaintiffs' rights is the admission by all of the defendants in their testimony that they knew of facts that constitute a continuing trespass, that they knew that damage was continuing to result from that trespass and that for four years they refused to take action to stop the trespass." (Citations omitted.)
In our view, that argument presupposes that there can be circumstances under which a jury must find that the requisite "facts" to justify awarding punitive damages exist. It is true, as a general proposition, that factfinders are sometimes  albeit rarely  bound to find in accordance with uncontroverted evidence. See Bezoff v. Crater Lake Motors, Inc., 259 Or. 449, 486 P.2d 1274 (1971). However, that proposition has no logical application in connection with punitive damages, where the factfinders' qualitative judgment of conduct is as relevant as the objective fact that the conduct occurred. In any event, we do not agree with plaintiffs' apparent point that, because of defendants' admissions, there was no conflict in the evidence bearing on whether defendants' conduct manifested a deliberate disregard for plaintiffs' rights.[3] We conclude that the error in the trial court's instruction was prejudicial.
Defendants' second assignment of error is the converse of the argument of plaintiffs that we have just discussed. Defendants contend that the court erred in submitting the issue of punitive damages to the jury "because there was no evidence defendants' conduct was intentional, highly aggravated or volitional." To a large extent, defendants premise their argument on the not seriously disputed fact that they did not intend to dump water and debris on plaintiffs' property. They miss the point. The issue is whether defendants, with knowledge that the conditions on their land were causing damage to plaintiffs, did "everything reasonably possible to eliminate or minimize the damage," McElwain v. Georgia-Pacific, 245 Or. 247, 251-52, 421 P.2d 957 (1966), and, if they did not, whether their failure constituted a deliberate disregard of plaintiffs' rights.
In the statements of facts in their briefs and in the arguments under their assignments of error, defendants focus on the evidence that they responded to the problem, undertook remedial measures and acted responsibly in not taking further measures when the specialists hired by the parties disagreed about what should be done. We agree with defendants that the jury could have found that defendants did not act with deliberate disregard for plaintiffs' rights; the question before us, however, is whether there was evidence from which the jury could find that defendants did act with deliberate disregard. 2-D's Logging v. Weyerhaeuser, 53 Or. App. 677, 632 P.2d 1319, rev. den. 292 Or. 109 (1981). There was.
Defendants' third assignment is that the court erred by instructing:
"One who accumulates water on his land with reason to know that water is seeping or probably will seep or escape onto or beneath the land of another has committed an intentional trespass and is liable for all damage caused thereby *180 without any further proof of fault." (Emphasis supplied.)
Defendants explain:
"* * * [T]he trial court's instruction was in error for two reasons. First, it allowed the jury to equate `intent' with `reason to know', a negligence standard, and secondly, it did not advise the jury that it must find the acts `setting in motion' the trespass were done with knowledge a trespass would occur.
"The error was harmful because it defined an intentional act under a negligence standard of care, and the jury may have used this definition of `intent' in finding defendants acted deliberately and in awarding punitive damages.
"As previously discussed, punitive damages may only be recovered where the defendant acted intentionally or with a deliberate disregard of plaintiffs' rights; gross negligence or recklessness is not enough. Mere negligence has never been an acceptable basis for an award of punitive damages."[4]
The Supreme Court stated in Furrer v. Talent Irrigation District, 258 Or. 494, 466 P.2d 605 (1970):
"In the present case there was evidence to establish that defendant's canals were the source of a substantial amount of water which found its way to plaintiff's land. There was also evidence that defendant knew or had reason to know that the water was seeping into plaintiff's land. We have, then, an intentional intrusion which, if all other factors are present, could constitute an interference with plaintiff's exclusive possession and give rise to an action of trespass * * *." 258 Or. at 513, 466 P.2d 605. (Emphasis supplied.)
The instruction here was not erroneous.[5]
Defendants' next two assignments of error relate to the award of damages for emotional distress. They argue, first, that the issue should not have been submitted to the jury and, second, that the court erred in refusing to give the following requested instruction:
"As a general rule, the law does not provide for compensation for mental anguish or emotional distress in trespass cases. An exception may exist, however, where the preponderance of evidence has shown the existence of such damage as the direct and natural result of aggravated conduct on the part of the defendant. It is proper for the jury to take into account a claim for mental suffering only where there is evidence of genuine emotional damage in some special sense, different than that which would flow from any substantial interference with the use and enjoyment of property, and which is shown to be attributable to aggravated conduct on the part of defendant."
They state that, "[o]rdinarily, damages for emotional distress are not recoverable in an action for trespass unless there is evidence that the mental distress was a direct and natural result of a defendant's conduct." See Senn v. Bunick, 40 Or. App. 33, 39, 594 P.2d 837, rev. den. 287 Or. 149 (1979), and authority there cited. Defendants then note:
"An exception to the general rule has also been applied in nuisance actions where the mental distress is a direct and natural result of the interference with *181 use and enjoyment. Edwards v. Talent Irrigation District, 280 Or. 307, 570 P.2d 1169 (1977) and Macca v. General Telephone Company of Northwest, 262 Or 414, 495 P2d 1193 (1972). Edwards and Macca were specifically limited to actions for nuisance and to that extent, are not controlling in this case since plaintiffs' claim for nuisance was not submitted to the jury."
In Edwards v. Talent Irrigation District, 280 Or. 307, 309-10, 570 P.2d 1169 (1977), the court stated that "damages for mental anguish are recoverable in a negligence action when they are a result of defendant's interference with the use and enjoyment of plaintiff's land." In a footnote to the Edwards opinion, the court said:
"Although we hold in this case that emotional distress damages may be recovered in an action for nuisance, we emphasize that our holding is limited to this particular species of case. The law involving recovery for emotional distress generally is confused and perhaps in need of rethinking by the courts. We have concluded, however, that this case does not provide a proper vehicle for reconsideration of the rules governing recovery for this type of injury." 280 Or. at 310, n. 4, 570 P.2d 1169.
Defendants appear to understand that footnote as in some manner limiting emotional distress damages to nuisance actions. In our view, the purposes of the Edwards footnote were only to dispel any understanding that the case decided anything beyond the immediate issue presented and to suggest that the general subject of emotional distress damages might eventually receive more extensive attention.
We conclude that the Edwards rule, allowing emotional distress damages for interference with the use and enjoyment of land, is as applicable in intentional trespass actions as in negligence or nuisance actions. No reason occurs to us why the same kind of injury resulting from the same kind of act should not be compensable solely because the actor's conduct is deliberate rather than negligent.[6] Indeed, such a distinction would seem especially anomalous in light of the authority defendants summarize as holding:
"Because emotional distress is often incapable of objective proof, evidence of the genuineness of the plaintiff's alleged emotional suffering is typically supplied by the extreme and aggravated character of the defendant's conduct. Often, this is the same conduct which supports an award of punitive damages. * * *"
See, e.g., Fredeen v. Stride, 269 Or. 369, 525 P.2d 166 (1974); but see Meyer v. 4-D Insulation Co., Inc., 60 Or. App. 70, 73, n. 2, 652 P.2d 852 (1982).
We do not understand the "interference with use and enjoyment" test of Edwards to be inconsistent with the "direct and natural result" test that defendants argue should apply. We understand Edwards to hold that an interference with use and enjoyment can be a kind of direct and natural result of an intrusion that will permit an award of emotional distress damages. Here, there was ample evidence that plaintiffs suffered emotional distress and that the distress was attributable to defendants' interference with plaintiffs' use and enjoyment of their property.
Defendants' requested instruction was correctly rejected by the trial court, because it is not an accurate statement of *182 the law. See Wolf v. Nordstrom, supra, 291 Or. at 835, 637 P.2d 1280. In addition to its inconsistency with what we have said regarding interference with use and enjoyment as a basis for emotional distress damages, it wrongly implies that such damages can be awarded only if the causative conduct is "aggravated."
Defendants' final assignment of error is that the court should have concluded that the activity was not ultrahazardous and therefore should have withdrawn the ultrahazardous activity count from the jury. Reduced to essentials, defendants' argument is that, in Nicolai v. Day, 264 Or. 354, 506 P.2d 483 (1973), the court adopted a six-factor test for determining whether an activity is ultrahazardous and that the evidence here was conclusive that defendants' activity passed two of those tests. Defendants state:
"* * * [P]laintiffs failed to present any evidence that defendants' conduct was unusual or abnormal for the locality or that risk of harm could not have been prevented by exercise of reasonable care. In fact, the evidence tended to establish the contrary. The trial court expressly found that the risk of harm could have been prevented. * * *" (Emphasis Defendants'.)[7]
We need not comment on whether we share defendants' understanding that the court in Nicolai meant that an activity could be found ultrahazardous only if it failed all six parts of the test. It is clear from the court's later opinion in Koos v. Roth, 293 Or. 670, 652 P.2d 1255 (1982), that the inquiry is not that rigidly circumscribed and that the relevance of the "common usage" and "inappropriate to the location" factors is generally marginal. 293 Or. at 676-79, 652 P.2d 1255. The court stated by way of summary in Koos:
"* * * [T]he focus in our cases has been on assessing abnormal hazards by their potential for harm of exceptional magnitude or probability despite the utmost care. This potential may, of course, differ with the place where the activity is conducted; but an activity is not otherwise immune from strict liability because it is `appropriate' in its place. * * * A danger that is only ordinary in an appropriate location may be abnormal where it exposes others to an extraordinary risk or magnitude of harm, but an extraordinary risk does not become ordinary because it occurs in its own appropriate place." 293 Or. at 681-82, 652 P.2d 1255.
We conclude that the storage of the large quantity of water above plaintiffs' property created a potential for harm of exceptional magnitude and probability that could not be averted by the exercise of utmost care.[8] The trial court did not err in *183 concluding that the activity was ultrahazardous.
The remaining question is the scope of our remand, which is necessitated solely by the error in the court's instruction on punitive damages. In Wolf v. Nordstrom, supra, under materially identical circumstances, the court stated:
"* * * [W]e find this case to be exceptional and not within the general rule of Maxwell [v. Port. Terminal RR. Co., 253 Or 573, 456 P2d 484 (1969)] that retrial should be on all factual issues. * * *" 291 Or. at 835, 637 P.2d 1280.
It therefore remanded for further proceedings on the issue of punitive damages only. Similarly, here, we remand only on the punitive damages issue. We emphasize, however, that the questions on remand are both whether punitive damages are warranted by defendants' conduct and, if so, what if any amount plaintiffs should recover as punitive damages.
Reversed and remanded for further proceedings on the issue of punitive damages; affirmed in all other respects.
NOTES
[1]  No one contends that the court erred in withdrawing the negligence and nuisance counts.
[2]  Wolf was decided shortly before the trial of this case, but it appears that neither the trial judge nor counsel were aware of the decision at the time of trial. Defendants' counsel based his exception to the instruction on Chamberlain v. Jim Fisher Motors, Inc., 282 Or. 229, 578 P.2d 1225 (1978). The instruction is as inconsistent with Chamberlain as it is with Wolf.
[3]  Here, as in some other connections, the parties seem to equate the question of whether conduct constitutes an "intentional" trespass with the question of whether the level of culpability of the conduct is sufficient to warrant punitive damages. The factual inquiries in the two contexts may be related, but they are not the same.
[4]  See n. 3, supra.
[5]  Defendants rely on our statement in Lunda v. Matthews, 46 Or. App. 701, 613 P.2d 63 (1980):

"A trespass may arise from an intrusion upon plaintiffs' land which is either intentional, negligent or the result of ultrahazardous conduct. * * * Intentional is used in this context to mean that the acts setting in motion the invasion were done with knowledge that a trespass would result and not that the acts were done for the specific purpose of causing a trespass or injury. * * *" 46 Or. App. at 705, 613 P.2d 63. (Citations omitted.)
They understand that language to mean that, if the original act setting the invasion in motion was not accompanied by knowledge that the trespass would result, there cannot be an intentional trespass. Defendants' understanding is incorrect. Our definition of "intentional" in Lunda is every bit as applicable to situations like the present one, where there is a continuing intrusion known to the intruder that he allows to persist.
[6]  We noted in Senn v. Bunick, supra:

"The dissent makes the point that the Supreme Court in Edwards v. Talent Irrigation District, 280 Or 307, 570 P2d 1169 (1977), limited its holding to nuisance cases. It is true that the Court made such a statement in note 4, 280 Or at 310 [570 P.2d 1169]. The dissent, however, overlooks the fact that the Court correctly pointed out that `nuisance' only characterizes the interest invaded  namely the right of use and enjoyment of real property  and does not define the type of conduct which subjects the actor to liability. See 280 Or at 309-10, note 2 [570 P.2d 1169]. The invasion of the property right may be intentional or negligent; in Edwards it was negligent, yet damages for mental suffering were sustained." 40 Or. App. at 39-40, n. 1, 594 P.2d 837.
[7]  The court stated:

"* * * I think there is sufficient evidence here to constitute ultrahazardous. They have got water stored above there. If they had taken more precaution they could have eliminated that. It's not an area of common usage to have anything above another piece of property. It definitely involves a high degree of risk of something happening, and it did. * * *" (Emphasis supplied.)
Defendants rely on the emphasized language for their proposition that the court expressly found that the risk of harm could have been prevented by the exercise of reasonable care. We think that, in context, it is ambiguous at best whether the trial judge was addressing that point. In any event, whether an activity is ultrahazardous is a question of law, and any "finding" the trial court may have made to the effect suggested is not binding on us. Loe et ux v. Lenhard et al, 227 Or. 242, 249, 362 P.2d 312 (1961).
[8]  It is somewhat anomalous, although not inconsistent, to conclude that defendants may be strictly liable for conducting an activity that creates a risk of harm that cannot be alleviated by utmost care and to conclude also that the jury could find that defendants' failure to eliminate or minimize the risk manifested a deliberate disregard of plaintiffs' rights thereby permitting punitive damages to be assessed. However, the ultrahazardousness issue is initially a legal question for the court; under current authority, the punitive damages issue is factual, although the implications of and criteria for a particular award of punitive damages would seem to make that issue as appropriate a matter for initial determination by the court as is the ultrahazardous activity issue. Compare 2-D's Logging v. Weyerhaeuser, supra, 53 Or. App. at 688-89, 632 P.2d 1319, with Koos v. Roth, supra, 293 Or. at 677-82, 652 P.2d 1255.
