PlainWater
Counties → Colorado

San Miguel County, Colorado

Water Systems
20
Population Served
22,019
Total Violations
4,325
564 health-based
PFAS Detected
1
of 2 tested

Violation Analysis

100.0%
Systems with Violations
216.3
Avg Violations per System
13.0%
Health-Based Violations

Water Source Types

GW
15 systems (75%)
SW
5 systems (25%)

PFAS Contamination

2
Systems Tested
1
PFAS Detected
50.0%
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

San Miguel Colorado water systems by violation status, EPA SDWIS records.

No violations on record (0) One or more violations (20)

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
Mountain Village Town Of 9,700 559 Detected
Telluride Town Of 7,900 285 Clean
Norwood Water Commission 1,700 387 -
Telluride Regional Airport 485 70 -
Aldasoro Ranch Hoc 412 389 -
Ilium Valley WS 322 67 -
Wilson Mesa 290 300 -
Ophir Town Of 193 733 -
Bivvi Hostel 162 73 -
San Bernardo HOA 132 210 -
Elk Run Homeowners Corporation 125 98 -
Telluride Ski Lift 5 106 17 -
Placerville Park 100 16 -
Last Dollar PUD 96 53 -
Down Valley Park 90 18 -
Sawpit Town Of 59 238 -
Matterhorn Cg 50 89 -
Sunshine Cg 46 17 -
Woods Lake Cg 26 31 -
Telluride Pines HOA 25 675 -

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 San Miguel County? ▼
San Miguel County has 4,325 total drinking water violations across 20 water systems, of which 564 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from San Miguel County systems? ▼
Water systems in San Miguel County serve approximately 22,019 people through 20 public water systems.
Has PFAS been detected in San Miguel County water? ▼
Of 2 water systems tested for PFAS in San Miguel County, 1 had PFAS detected (50.0% detection rate).
What types of water sources supply San Miguel County? ▼
Water systems in San Miguel County use GW (15 systems), SW (5 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. 13.0% of San Miguel 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.