FLOOD06975

• Designation Number: 271
• County: Adams
• Community: Thornton
• Basin: South Platte
• Title: Agreement - FHAD - Big Dry Creek, Adams County, Thornton, Colorado
• Date: 11/1/1986
• Designation Date: 12/1/1987
• Floodplain - Doc Type: Educational/Technical/Reference Information

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MREHfENT
REGARDIIIG THE INTENT TO ASSURE THE fLOOD
ROUTrNG CAPABILITY OF STANDLEY LAKE RESERVOIR

(Agreemeot No. 86-10.04)

THI S AGREEMENT. made th i s ,] /51- day of A-or" . 1987 by
. ,
and between the UR8AN DRAINAGE AliD FLOOD CmlTROL DISTRICT (hereinafter called

"DISTRICT") the CITY OF WESTMINSTER (hereinafter called .CITY"), also both are

collectively referred to as "PARTIES. II

WITNESSETH THAT:

WHEREAS, several of the major draindgeways within, or flowing into, the

DISTRICT have water supply or other non-flood control reservoirs located on

them: and

WHEREAS, some of these reservoirS. by virtue of their size and/or their

embankment and spillway configuration, provide significant but inadver~ent flood

routing capabilities which reduce the 100-year flood discharge downstream from

the reservoirs: and

WHEREAS, House Bill I1B5, which "as Signed into law by Governor Richard

La~ on May 16, 19B6 (copy attached), states, in para9raph 37-87-104(2). that

MHo such (entity Or person who owns, ~ontrals, or operates. a water storage

,
I

reservoir) shall be liable for allowj~g the inflow to such reservoir to pass

through it into t~e natural stream belOW such resenoir."; and

WHEREAS, the owners of such resefVoirs can, and on occasion do, maK~

changes to their embankrrent aud spillway configura~lonsl up to and including

removal of the structure; and

IIIIEREAS, the above language from House Bill I1B5 clearly indicaces that it

would be unwise publiC policy to rely upon these non-flood control reservoirs

for any flood protection; and

WHEREAS, the DISTRICT has previously adopted a "Pol icy for Oel ineation of

floodplains Below Water Supply and Other Non-Flood Control Reservoirs"

(Resolution No. 36, Series of 1986): and

WHEREAS, the Policy requires that nan-flood control reservoirs not be

considered in the drainageway hydrology unless adequate assurances have been

obtained by the Executive Director to preserve the flood routing capability of

the reservoirs; and