County · Colorado
Grand County, Colorado: drinking water records
This overview covers 8 ZIP codes and 26 community water systems in Grand County. It also stands in for 1 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Grand County Water No 1 CO0125323 | 5,400 | 240 | 1 | 5 | 2.1 ppb |
| Winter Park WSD CO0125843 | 6,635 | 120 | 0 | 0 | 3 ppb |
| Kremmling Town of CO0125455 | 1,859 | 0 | 0 | 2 | 0 ppb |
| Ymca Snow Mtn Ranch CO0125916 | 578 | 120 | 0 | 0 | 2 ppb |
| Old Orchard Estates MI0040156 | 296 | 0 | 0 | 4 | 2 ppb |
| Winter Park Ranch WSD CO0125844 | 3,250 | 0 | 0 | 0 | 2 ppb |
| Granby Town of South Service Area CO0125710 | 2,300 | 0 | 0 | 0 | 2 ppb |
| Fraser Town of CO0125288 | 2,150 | 0 | 0 | 0 | 6.8 ppb |
| Grand Lake Town of CO0125322 | 2,035 | 0 | 0 | 0 | 1.8 ppb |
| Granby Town of North Service Area CO0125321 | 2,025 | 0 | 0 | 0 | 8 ppb |
| Hot Sulphur Springs Town of CO0125352 | 687 | 0 | 0 | 0 | 2 ppb |
| Tabernash Meadows WSD CO0125720 | 564 | 0 | 0 | 0 | 0 ppb |
| Smith Creek Crossing CO0125716 | 518 | 0 | 0 | 0 | 1 ppb |
| Columbine Lake WSD CO0125155 | 428 | 0 | 0 | 0 | 4.3 ppb |
| Blue Valley Md CO0125148 | 410 | 0 | 0 | 0 | 3 ppb |
| North Shore WSD CO0125552 | 378 | 0 | 0 | 0 | 0.9 ppb |
| Soda Springs Wa CO0125718 | 280 | 0 | 0 | 0 | 4 ppb |
| Lake Forest Mutual Wc CO0125466 | 250 | 0 | 0 | 0 | 1.5 ppb |
| Granby Jones MHP CO0125320 | 201 | 0 | 0 | 0 | 4 ppb |
| River Ranch Village MHP LLC CO0125676 | 140 | 0 | 0 | 0 | 0 ppb |
| Montrose Trailer Park MI0040152 | 105 | 0 | 0 | 1 | not reported |
| Moraine Park Ws CO0125518 | 100 | 0 | 0 | 0 | 1 ppb |
| Olympic Village CO0125246 | 75 | 0 | 0 | 0 | 0 ppb |
| Lakeshore Mobile Home Park CO0125467 | 58 | 0 | 0 | 0 | 0 ppb |
| Valley at Winter Park WD CO0125840 | 50 | 0 | 0 | 0 | 1 ppb |
ZIP reports in Grand County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 80468.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.