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Cheyenne Wells, CO Tap Water Quality 2026

Water quality report for Cheyenne Wells, CO — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Cheyenne Wells's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Cheyenne Wells Town Of PWSID: CO0109006 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 4.00 ppb, 27% of the action level and no violations are open. PFAS has never been sampled at this system.

B

Cheyenne Wells earns a B for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 4.00 ppb — 27% of the federal action level
PFAS never sampled at this system
36 violations since 2015, 5 health-based
No violations currently open
Cheyenne Wells's lead level vs. all Colorado community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 4.00 ppb — 27% of the federal action level
✓ Lower lead than 27% of Colorado utilities
Population Served
758
~521 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
36 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
27% of EPA action level
4.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 4.00 ppb, 27% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Public Notice OTHER — — 2021 Resolved
Public Notice OTHER — — 2020 Resolved
Public Notice OTHER — — 2020 Unaddressed
Nitrate MCL EXCEEDANCE 11 MG/L 10 mg/L 2020 Resolved
Nitrate MCL EXCEEDANCE 11 MG/L 10 mg/L 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Arsenic MCL EXCEEDANCE 0.0114 MG/L 0.010 mg/L 2020 Resolved
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2020 Resolved
Public Notice OTHER — — 2019 Resolved
Public Notice OTHER — — 2019 Resolved
Arsenic MCL EXCEEDANCE 0.01075 MG/L 0.010 mg/L 2019 Resolved
Public Notice OTHER — — 2019 Resolved
Public Notice OTHER — — 2019 Resolved
Public Notice OTHER — — 2019 Resolved
Public Notice OTHER — — 2018 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2018 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2018 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2017–2019 Resolved
LASSO MONITORING AND REPORTING — — 2017–2019 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2017–2019 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2017–2019 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2017–2019 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2017–2019 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2017–2019 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2017–2019 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2017–2019 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2017–2019 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2017–2019 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2017–2019 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2017–2019 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2017–2019 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2017–2019 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2017–2019 Resolved
Stage 1 Disinfectants and Disinfection Byproducts Rule TREATMENT TECHNIQUE — — 2015 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

36 violations are on record since 2015, of which 5 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Cheyenne Wells Town Of
PWSID CO0109006
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 758
Service connections 521
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Cheyenne Wells tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 4.00 ppb, 27% of the action level.
Does Cheyenne Wells water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Cheyenne Wells? ▼
Cheyenne Wells Town Of (PWSID CO0109006). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2024-02-27. No significant deficiencies were recorded.

What Should Cheyenne Wells Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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