This action by the corporate owners of a .prior water right to restrain the defendant corporation from maintaining a dam across Rapid creek at Rapid City, and from interfering in any manner with their use of the water for irrigation, agricultural, and domestic purposes, resulted in a judgment for plaintiffs, and defendant appeals.
*455Prior to March 14, 1882, respondents lawfully located and constructed the Lone Tree ditch, thereby duly appropriating 1,500 inches of the waters of Rapid creek; and during the year 1890 appellant erected the dam complained of, and, in order to obtain sufficient power to operate an electric light plant in Rapid City, has since that time held at least three-fourths of the water during the entire day for the purpose of discharging it in large quantities at night, thus materially interfering with respondents’ use of the water for irrigation and domestic purposes, In this state it is not necessary to take an exception to findings of fact in order to have the sufficiency of the evidence determined on appeal, and the contention of counsel for respondents to that effect is untenable. “The verdict of the jury, the final decision in an action or proceeding, * * * and an order or decision made in the absence of a party, are deemed to have been óxcepted to.” Comp. Laws, § 5080. Section 4757: ‘ ‘The word ‘verdict’ includes not only the verdict of the jury, but also the finding upon the facts, of a judge, or of a referee appointed to determine the issues in a cause.” When facts are tried by the court, judgment is rendered upon it i decision, which consists of findings of fact and conclusions of law, separately stated. Comp. Laws, § § 5066, 5067. As the action did not accrue within two years after the completion of the dam, and for the reason that appellant erected its electric light plant at great expense, and has operated the same for many years by means of the water so retained and used, with the knowledge and acquiescence of respondents, it is contended that they are now estopped from interfering with its right to maintain such dam and hold the water during the day time. Section 5593 of the Compiled Laws, limiting the *456time for the commencement of an action to recover damages for land overflown by reason of a milldam, has no application to this action in equity for preventive relief and the essential elements of an estoppel by conduct are not disclosed by the record before us.
While the evidence shows that respondents, or some of them, in the cultivation of their arid land, from year to year, have taken water from the ditch for irrigation and domestic purposes, there is nothing to show the amount of land irrigated, or the quantity of water required for such purposes by each or all of the persons entitled to its use. The evidence shows, 'and the court found, that respondents’ flume and ditch were located 10 miles below appellant’s dam, and that there are now in use several intervening ditches, by means of which the owners lawfully appropriated water prior to the rights of either party to this action. Notwithstanding an attempt to show that respondents would not be benefitted if the water was allowed to pass over and through appellant’s dam uniformly day and night, as the full supply would be exhausted by the owners of intervening ditches, it was conclusively established by competent testimony that appellant’s retention of the water during the day was the immediate cause of substantial injury alleged in the complaint. Respondent Buckingham testified in part as follows: ‘‘The character of the land is arid, and it is necessary to have the waters — the use of the waters — of this stream to raise hay, grain, and other crops. I have noticed for the last few years — from 1890, or thereabouts — that there has been a fluctuation in the flow of the water at different times of the day. We have more water at some portions of the day than at others. There is a scarcity in the morning. You can see the *457difference when there is plenty of water in the creek. In tbe forenoon the water is low in our locality. It is nearly exhausted at that period- of time, and it is impossible to obtain water for irrigation purposes in the ditch. About noon the water in the ditch raises, and goes down again in the night. In the forenoon we can’t do much irrigating, in the afternoon we have to stay with the water, and in the night it runs where it pleases. I do not know any cause for the water being at low stages m the forenoon and raising later in the day. I understand' that they hold the water up at the electric light plant, and I guess they do. * * * It is up. in tbe evening. It falls off some time in the night, and it is down in the morning. We have more water in the afternoon than in the forenoon. The ditches are only dry in the forenoon. There is a great deal better flow in the afternoon than in the forenoon.- The water don t come regularly. ^ In the forenoon we have none to work with, and in the afternoon it goes to waste. In the forenoon we are wasting our time for nothing. I never irrigated in the nighttime. It might be done by moonlight.” From the testimony of respondent Brenan we quote as follows: “1 have been trying to irrigate my place when I could get water without being interrupted. About 275 to 280 of my 320 acres can be irrigated if the water is not interfered with. I can’t say exactly. And I could irrigate more if I had water. We would not have any crops at all without irrigation. It is absolutely necessary to irrigate in order to secure a crop in this county, No change has been made in the size of our ditch since the time of its completion. From 1885 to the present time the gauge is just the same. And the gate is just the same. It has not been cleaned out for six or eight years. * * * I am conversant *458with the fact that the defendant electric light company has been in the habit of holding up the water for a period of hours, and then discharging for another period of hours. I mean they hold up the water during the daytime and let it run out at night to run their plant. This is done by a dam constructed across the creek about three-quarters of a mile west of the original town site of Rapid City. It may be a mile. They began to hold the water some time after they constructed their second dam — some time after 1890. It was after they added their incandescent dynamo to the plant. They hold the water up there during the day, and let it go out at night. It lessens the volume of water in the stream in the afternoon and raises it in the evening. It prevents irrigation, and having less water than you are entitled to in the afternoon, and having less than enough to work with in the afternoon. * * * It is a damage to the people having stock on their places. I rent my pasture, and they are objecting because of the channel raising and lowering in the creek. And it keeps the ice further back in high water than in low water, and in low water it causes the cattle to have to go in over the ice, which they would not have to do; and it is a damage to all persons using the water. George Mentch, Isaac Cramer, Robert Lee Platt, George Buckingham, Emma Buckingham, Maurice Keliher, Eugene Holcome, and James Brenan have land abutting the creek. They are all riparian except Platt, Chase, and Kimble. The holding of the water, particularly in the winter time, makes it difficult for the plaintiffs to keep the water places open for watering stock, on account of the raising and lowering of the creek and freezing of ice at the part of the valley where my place is. The flow of the water is retarded so that *459it is late in the afternoon when the raise comes, and then it flows over the bank, and then recedes again late at night, and for that reason new places have to be opened all the time. This condition never existed at all previous to the holding of the water of Rapid creek. Ice would freeze stationary. When the water is low, it will freeze at one level, and when the water is high or raises it will freeze at another, and prevent the stock getting water. ” Concerning the effect of appellant’s retention of the water during the day, another witness states that: “You cannot get a steady flow from your ditches onto your land. It affects the irrigation after two or three o’clock in the afternoon. For instance, you had a piece of land two or three rods wide. You turn the water onto that land, and it may get half way across, and the water stops flowing, and you have got to wait until the water comes down again the next day to get the water over the rest of the land, and in that way you have to irrigate the upper part of the land two or three times before you can get the whole of it irrigated. Parts get too much and part not enough, and then by the time you get down to the dry land it quits again.” By other witnesses the foregoing testimony is fully corroborated, and it was further shown that the retention of the water by appellant rendered the watering of respondents’live stock precarious, and at times during the winter impossible.
Rapid creek is a nonnavigable stream rising in the mountains about 40 miles west of the city of Rapid City,.and empties into the Cheyenne river just below the riparian premises of respondents. At ordinary stages, and when unobstructed, there is probably something less than 1,800 inches of flowing water, which, by detention during the day, is sufficient to operate the *460electric light plant constructed by appellant at an expense of 135,000. By the erection of a dam on its own land, a valuable legal right was acquired to use the water in a reasonable way for the purpose of supplying the city'of Rapid City with electric lights, and any substantial infringement upon that right causes appreciable injury to the inhabitants of such municipality, and greatly diminishes the value of appellant’s property. It is therefore doubtful, in the nature of the case, if respondents are fully entitled to a judgment by which appellant is “perpetually enjoined and restrained from damming up or obstructing the waters of said Rapid creek, or preventing the natural flow thereof, so as to cause damage or injury to the plaintiffs, or either of them, as the owners of their said water right and lands, or to prevent the said waters from flowing in the day time into the plaintiffs’ said ditch and flume, and to and upon the plaintiffs’ said lands, or to interfere in any manner with the irrigation of the said lands of the plaintiffs, or with their use and enjoyment of their said lands and water right.” Without a dam to stop the flow of water and fill its reservoir, appellant’s valuable privilege is unavailable, and a perpetual injunction against “damming up or obstructing the water of said Rapid creek” practically destroys its right to use the water at a proper time and in a reasonable manner. For the purpose of operating machinery adapted to the ordinary condition of Rapid creek, no good reason is shown why appellant may not maintain its dam and reservoir, without causing any one more than incidental detriment, but to shut down the gate and detain the water during the day, to be rapidly discharged at night in a quantity that respondents cannot utilize, deprives them of a fair participation in the benefits of the stream, and *461constitutes an unreasonable use of the water. While perfect equality of right is not ascertinable from the record, as the amount of water to which each party is entitled cannot be definitely determined, it is obvious that the machinery by which the electric light plant is being operated requires more power than the stream can furnish at an ordinary stage, without great detriment to respondents. So far as shown by the evidence, the only injury of which respondents can justly complain is remedied by enjoying the habitual detention of the water duriug the day for the purpose of its release at night in unusual quantities, and to that extent the judgment.of the trial court is equitable, and sustained by the great weight of authority. After mentioning some of the circumstances upon which the reasonable use of water depended in Timm v. Bear, 29 Wis 254 — a case similar upon principal to this — Chief Justice Ryan, speaking for that court, employs the following language: “The defendant had no right to deprive the plaintiff of the ordinary and natural flow or passage of the water in the stream— that is, in quantities as the same as would naturally run — longer than was necessary to raise a suitable head for his own mill, and to propel or run the machinery therein with convenience and profit, such machinery being reasonably adapted to the size of the stream. * * * In other words, no proprietor of a mill can put a forty-five inch wheel into a thirty-inch stream, under the proper head, and then claim the right to detain and discharge the water in quantities sufficient to drive such wheel to its full capacity, to the injury of other mill owners below him on the same stream. Such a use of the water would be unreasonable, within the rule laid down in the instruction. It is not in porportion to the size or capacity of the stream, and *462necessarily involves unreasonable detention of the water to obtain the requisite power, and then discharge of it in unreasonable or excessive quantities, when the power is applied. For these reasons, and in view of these facts, which the evidence tended to establish, as well as in view of the other' evidence given, we are of the opinion that the motion for a nonsuit was properly denied.” Among the numerous decisions similar upon principle and consónate with our view of this case, are the following: Merritt v. Brinkerhoff & Van Wagenen, 17 Johns, 306, 8 Am. Dec. 404: Natoma Water & Mining Co. v. McCoy, 23 Cal. 490; Ferrea v. Knipe, 28 Cal. 341, 87 Am. Dec. 128; Gehlen v. Knorr (Iowa) 70 N. W. 757, 36 L. R. A. 697, 63 Am. St. Rep. 416; Gould on Waters, § 218. By maintaining the dam and appurtenances so that the natural flow of the stream may pass on uniformly and at all times, respondents receive the relief to which they are equitably entitled and to the extent of perpetually restraining appellant from withholding the water during the day and discharging it in unusual quantities at night, the decision of the trial court will not be disturbed.
Modified in conformity with this view, the jndgment of the circuit court is affirmed. Bach party will pay its own costs in this court.