PROJ00079

• Contract/PO #: FS0012X
• Contractor Name: New Castle, Town of
• Contract Type: Loan
• Water District: 0
• County: Garfield
• Loan Projects - Doc Type: Feasibility Study

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TOWN OF NEW CASTLE
EQR CALCULATION WORKSHEET

IN THE AUGMENTATION PLAN JOINTLY APPLIED FOR BY CASTLE VAllY RANCH AND THE TOWN OF NEVI/ CASTLE,
AN EaR HAS BEEN DEFINED AS THE FOLLOWING:

THE eaR IS DEFINED AS A SINGlE-FAMIL Y RESIDENTIAl HOUSING UNIT CONTAINING AN AVERAGE OF 3.5
PEOPLE USING 100 GALLONS OF WATER PER PERSON PER DAY WITH A 5 PERCENT IN HOUSE CONSUMPTIVE USE.
2500 SQUARE FEET OF IRRIGATED LAWN AND GARDEN IS INCLUDED FOR EACH EaR AND IS BASED ON A 2.26 A.F.fACRE
APPUCATION RATE WITH 70 PERCENT OF THE WATER APPUeO BEING CONSUMPTIVELY USED AT A UNIT
CONSUMPTIVE USE OF 1.56 A.F.lACRE.

BASED UPON THE DEFINITlON ABOVE, THE FLOW RATE FOR AN EaR IS CALCULATED:

2500 S.F 143560 SF/ACRE= 00574 ACRES

O.0574x2.26 A.F JACREIYEAR= 0.1297 A.F.NEAR

0.1297 A.F lYEARxO.1297 A.F.1YEAfb:43560 SF/ACRE= 5650 CFIYEAR
5650 CFIYEARx7.48 GALlONSlCF: 42262 GALlONSIYEAR

NOW, BECAUSE THERE IS NO LAWN AND GARDEN WATERING IN THE WINTER MONTHS, THE
USUAl 365 DAYS PER YEAR OR 12 MONTHS PER YEAR IS NOT APPUCABLE IN THE CONVERSION
FROM THE AUGMENTATION PLAN, THE IRRIGATION SEASON HAS BEEN DEFINED AS OCCURING
FROM MARCH 1ST TO OCTOBER 31ST. BECAUSE OF THIS, OUR IRRIGATION YEAR IS 6 MONTHS LONG
FROM MARCH 1ST TO OCTOBER 31ST, THERE ARE 245 DAYS, THUS THE IRRIGATION PORTION
OF THE EaR CAN NOW BE COMPUTED.

(42262 GAlLONSfYEAR)I(245)= 172.5 GAlLONSIOAY
THUS THE R.OW RA TE FOR AN AVERAGE SUMMER DA Y DUE TO IRRiGA nON IS 172.S GALLONSlDA Y

FOR RESIDENTIAL (IN HOUSE) USE. THE PREVIOUS DEFINITION OF EaR IS USED:
3,5 PERSONSlRESIDENCE I( 100 GALLONSIOAYIPERSON= 350 GAllONS PER DAY

THUS THE R.OW RA TE FOR AN AVERAGE DA Y ('NJNTER OR SUMMER) IN HOUSE USE IS 350 GALLONS PER DAY

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