PlainWater
States → Colorado

Community Water System · PWS CO0154900

Yampa Town Of

Yampa, Colorado 80483 - drinking water served from surface water sources to 467 people, tracked in EPA SDWIS and UCMR5.

467
People served
105
EPA violations
29
Health-based
Untested
UCMR5 result

The verdict

EPA records 105 drinking-water violations at Yampa Town Of, 28% of them health-based - below the Colorado per-system average.

105
Total EPA violations on record
28%
Health-based (MCL / treatment failure)
467
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Yampa Town Of

Yampa Town Of is a local-owned community water system that delivers drinking water to 467 residents in Yampa, Colorado (Routt County) through 241 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 105 total violations for this system , of which 29 (28%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 67 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 25 violations (TT, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Colorado, EPA tracks 2,193 public water systems serving 7,473,456 people, with 238,796 cumulative violations and 30,589 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 108.9 violations. Statewide, 98 of 163 UCMR5-tested systems have reported PFAS detections (60.1%).

Yampa Town Of's 105 violations sit below the Colorado average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
467
Total Violations
105
Health-Based Violations
29
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
241
County
Routt
School/Daycare
No
MCL Violations
0
Monitoring Violations
67
Treatment Tech Violations
29

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 25 2024
Interim Enhanced Surface Water Treatment Rule MR 15 2019
Surface Water Treatment Rule MR 15 2019
E. COLI MR 11 2025
Public Notice Other 6 2019
Nitrate MR 5 1993
TTHM MR 4 2017
Total Haloacetic Acids (HAA5) MR 4 2017
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 2019
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 4 2016
Coliform (TCR) MR 3 1996
Long Term 2 Enhanced Surface Water Treatment Rule MR 3 2016
Lead and Copper Rule MR 3 2024

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Yampa Town Of.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID CO0154900 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Colorado Drinking Water Authority

Colorado Department of Public Health and Environment, Water Quality Control is the primacy agency that licenses and inspects Yampa Town Of under EPA-delegated authority.

Open CO regulator portal

Source: Colorado Department of Public Health and Environment, Water Quality Control

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 E. COLI MR 11 SDWIS / CO0154900 / 3014
2024 Surface Water Treatment Rule TT 25 SDWIS / CO0154900 / 0200
2024 Lead and Copper Rule MR 3 SDWIS / CO0154900 / 5000
2019 Interim Enhanced Surface Water Treatment Rule MR 15 SDWIS / CO0154900 / 0300
2019 Surface Water Treatment Rule MR 15 SDWIS / CO0154900 / 0200
2019 Public Notice Other 6 SDWIS / CO0154900 / 7500
2019 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 SDWIS / CO0154900 / 0400
2017 TTHM MR 4 SDWIS / CO0154900 / 2950
2017 Total Haloacetic Acids (HAA5) MR 4 SDWIS / CO0154900 / 2456
2016 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 4 SDWIS / CO0154900 / 0600
2016 Long Term 2 Enhanced Surface Water Treatment Rule MR 3 SDWIS / CO0154900 / 0800
1996 Coliform (TCR) MR 3 SDWIS / CO0154900 / 3100
1993 Nitrate MR 5 SDWIS / CO0154900 / 1040

How Yampa Town Of Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Yampa Town Of Colorado avg Federal benchmark
Total violations 105 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 29 13.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 60.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 467 3,408 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,193 regulated public water systems in Colorado.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Yampa Town Of water safe to drink? ▼
Yampa Town Of (PWS ID: CO0154900) has 105 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 467 people using Surface Water sources.
How many people does Yampa Town Of serve? ▼
Yampa Town Of serves 467 people in Yampa, Colorado. It is a Local-owned system using Surface Water water sources with 241 service connections.
What type of violations does Yampa Town Of have? ▼
Yampa Town Of has 105 total violations: 29 health-based violations (MCL exceedances or treatment failures), 67 monitoring/reporting violations, and 29 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Yampa Town Of water? ▼
No PFAS testing data is available for Yampa Town Of under the EPA's UCMR5 monitoring program.
What water source does Yampa Town Of use? ▼
Yampa Town Of uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

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 system's figures are rendered directly from 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.