PlainWater
Counties → Colorado

Grand County, Colorado

Water Systems
79
Population Served
56,214
Total Violations
6,442
311 health-based
PFAS Detected
1
of 3 tested

Violation Analysis

96.2%
Systems with Violations
81.5
Avg Violations per System
4.8%
Health-Based Violations

Water Source Types

GW
38 systems (48%)
SW
12 systems (15%)

PFAS Contamination

3
Systems Tested
1
PFAS Detected
33.3%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Grand Colorado water systems by violation status, EPA SDWIS records.

No violations on record (1) One or more violations (49)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Winter Park WSD 6,635 105 Clean
Grand County Water No 1 5,400 747 Detected
Winter Park Resort Sunspot 5,006 13 -
Winter Park Resort Lunch Rock 5,001 17 -
Winter Park Resort Snoasis 5,001 21 -
Winter Park Ranch WSD 3,250 17 -
Granby Town of South Service Area 2,300 18 -
Fraser Town Of 2,150 44 -
Grand Lake Town Of 2,035 4 -
Granby Town of North Service Area 2,025 17 -
Kremmling Town Of 1,859 66 -
Winter Park Resort Vasquez Ridge 999 5 -
Stillwater Cg 990 13 -
Winter Park Resort Discovery 812 10 -
Arapaho Bay Cg 720 8 -
Hot Sulphur Springs Town Of 687 103 -
Green Ridge Cg 624 20 -
Young Life Crooked Creek 595 262 -
YMCA Snow Mtn Ranch 578 154 Clean
Tabernash Meadows WSD 564 127 -
Smith Creek Crossing 518 0 -
Blm Pumphouse Recreation Site 500 64 -
Pole Creek Golf Club 490 35 -
Devils Thumb Ranch Resort 451 47 -
Columbine Lake WSD 428 48 -
Blue Valley MD 410 24 -
North Shore WSD 378 9 -
Rmnp Headquarters West 313 15 -
Timber Creek Cg 304 15 -
Soda Springs WA 280 101 -
C Lazy U Ranch 251 56 -
Lake Forest Mutual WC 250 60 -
Church of Eternal Hills 245 22 -
Roadhouse Bar and Grill 204 107 -
Granby Jones MHP 201 32 -
Sunset Point Cg 200 9 -
Arapaho Valley Ranch 185 2 -
Roadside Tp 168 38 -
Climax Molybdenum Co Henderson Mill 165 221 -
Fraser Valley Sports Complex 156 10 -
Winding River Resort Village 150 59 -
Cutthroat Bay Group Area 150 7 -
River Ranch Village MHP LLC 140 112 -
Winter Park Christian Church 135 16 -
The Shores of Shadow Mountain HOA 131 3 -
T Lazy W Mp 128 8 -
Shadow Mountain Village 115 1,061 -
Moraine Park WS 100 807 -
Wolford Mtn Recreation Area 100 4 -
Chuck Wagon Cafe 85 90 -

Other Counties in Colorado

Denver County
5 systems · 1,312,794 served · 487 violations
Arapahoe County
40 systems · 864,434 served · 5,553 violations
El Paso County
140 systems · 757,938 served · 21,020 violations
Adams County
86 systems · 711,442 served · 11,205 violations
Jefferson County
113 systems · 577,729 served · 5,182 violations
Larimer County
136 systems · 519,497 served · 9,218 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Grand County? ▼
Grand County has 6,442 total drinking water violations across 79 water systems, of which 311 are health-based violations. 96.2% of systems have at least one violation.
How many people get water from Grand County systems? ▼
Water systems in Grand County serve approximately 56,214 people through 79 public water systems.
Has PFAS been detected in Grand County water? ▼
Of 3 water systems tested for PFAS in Grand County, 1 had PFAS detected (33.3% detection rate).
What types of water sources supply Grand County? ▼
Water systems in Grand County use GW (38 systems), SW (12 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 4.8% of Grand County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.