RGDSS_Task4_M&I_Use_Interview

• Title: RGDSS Task 4 - Basin Interviews
• Description: Memo documenting interviews with municipalities in San Luis Valley.
• Decision Support - Doc Type: Task Memorandum
• Date: 7/8/1999
• DSS Category: Surface Water
• DSS: Rio Grande
• Basin: Rio Grande
• Contract/PO #: C153863
• Grant Type: Non-Reimbursable
• Bill Number: HB98-1189, SB99-173
• Prepared By: Leonard RIce Engineering

Table 2
Water use by Selected Cities and Towns in the San Luis Valley
Municipality Population Adjusted" Percent Actual Water Actual Water Water Uses
Name 1997 Polulation of Total UseB (gpy) UseB (gpd/cap) (af/year)
Alamosa 8,775 10,091 35.8% 840,700,000 228 2,580
Antonito 895 1,029 3.6% 105,000,000 279 322
Blanca 297 342 1.2% --- --- 117 Est.
Bonanza City 18 21 0.1 % --- --- 7 Est.
Center 2,366 2,721 9.6% 316,998,839 319 973
Creede 413 475 1.7% --- --- 163 Est.
Crestone 68 78 0.3% --- --- 27 Est.
Del Norte 1,809 2,080 7.4% 277,889,300 366 853
Empire 437 503 1.8% --- --- 173 Est.
Hooper 124 143 0.5% --- --- 49 Est.
La Jara 748 860 3.0% --- --- 296 Est.
Manassa 1,000 1,150 4.1 % 111,498,615 266 342
Monte Vista 4,721 5,429 19.2% 672,537,005 339 2,064
Romeo 372 428 1.5% --- --- 147 Est.
Saguache 676 777 2.8% --- --- 267 Est.
San Luis 879 1,011 3.6% --- --- 348 Est.
Sanford 763 877 3.1 % --- --- 302 Est.
Total 24,361 28,015 300 9,031
(Average) (Total)
Notes:
A: Adjusted (increased by 15%) to reflect additional residents in service area but not within city
corporate limits.
B: Only for those municipalities interviewed. Data from 1997 and 1998.
C. Estimates based on average of 300 gpd per capita (average of actual data from six municipalities).
As shown, estimated total water use for those municipalities listed in Table 2 is approximately
9,031 acre-feet per year (1997/1998). If a 300 gpd per capita average water use rate is used for
the entire San Luis Valley population, total domestic and municipal water use can be estimated at
approximately 15,100 acre-feet per year at 1997 populations.
Industrial Water Use and Sources
Municipalities provide water for a variety of purposes including residential, commercial,
recreational (park or open area irrigation) and some types of industrial uses. Other industrial uses
supply their own water from independent sources. In the San Luis Valley, these industrial uses
include:
• Fish Hatcheries (Colorado Division of Wildlife);
• Rakhra Mushroom Farm;
• Colorado Alligator Farm; and
• Mining (Summitville, Battle Mountain and Manville-Perlite).
C:Acdss\M&I Use.doc M&I Water Uses July 8, 1999 -Page 4 of 5