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Department of the Army February 14, 1980 Page Three In summation, the Town staff approved the fill and rechannelization plans soon thereafter and notified the developer that a Corp of Engineers permit would most likely be required. The follow-up to that condition was lacking on our part, and construction began in early June 1979. Due to the nature of the Blue River as it flows through the old dredge tailings construction was performed in a dry channel and work was halted once the flows surfaced in late July. The Blue flows for approximately two months from July to September. There was no contamination of a moving water course as a result of the fill and the riverway was cleaned up prior to the winter, until construction could be completed in 1980. We are confident that our staff review of all engineering considerations was strict and comprehensive, and we regret that the violation occured. " We are at present experiencing a very zealous growth phase in the Town of Brec~en- ridge, and find that many of our past regulations and design standards are inade- quate for the variety of developments we are seeing now. The submittal and review of more detailed drainage studies and improvements is being required under newly revised subdivision regulations and a 404 Permit for any work in an established water course will be a prerequisite before any construction phase. Strict bonding for such improvements whether they be street or drainage in nature will be addi- tionly required. The appropriate permits required for such work have in the ~ast been required as just that. . . "appropriate" and I believe we can educate all new developers as to what those specific permits are. Hopefully this violation sahll be the first and last of its type. I am confident that the work designed and performed by Sawmill Station Associates within the limits of the Blue River water course do not pose direct threat to water quality or constrict an.established floodway. The engineering calculations appear correct and construction methods are consistant with the standards of our planning and engineering guidelines. I encourage you to accept and process the developers application for a Department of the Army 404 permit and issue said permit as expeditiously as possible. I am hopeful that these comments and background information will be valuable to your assessment of the Blue River situation. If you require additional help, feel free to solicit it. Respectfully yours, O. I~~ )-4~:-L O. Karl Kasch Engineering/Construction M,anager OKK/t4KS cc: Mr. Win Lockwood Mr. Craig Robillard Mr. Ken Adams Mr. Don Wil d