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Cheraw, CO Tap Water Quality 2026

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

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

Main Utility: Cheraw Town Of PWSID: CO0145090 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.70 ppb, 11% of the action level and no violations are open. PFAS has never been sampled at this system.

B

Cheraw earns a B for water quality

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

Lead: 1.70 ppb — 11% of the federal action level
PFAS never sampled at this system
73 violations since 2015, 38 health-based
No violations currently open
Cheraw's lead level vs. all Colorado community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.70 ppb — 11% of the federal action level
✓ Lower lead than 65% of Colorado utilities
Population Served
237
~131 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
73 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
11% of EPA action level
1.70 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.70 ppb, 11% 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 — — 2026 Unaddressed
Lead and Copper Rule MONITORING AND REPORTING — TT 2026 Unaddressed
Combined Radium (-226 and -228) MCL EXCEEDANCE 6 PCI/L 5 pCi/L 2026 Archived
Combined Radium (-226 and -228) MCL EXCEEDANCE 6 PCI/L 5 pCi/L 2025 Archived
Lead and Copper Rule MONITORING AND REPORTING — TT 2025 Unaddressed
Consumer Confidence Rule OTHER — — 2025 Resolved
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2025 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2025 Resolved
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2025 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2025 Unaddressed
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2025 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2025 Resolved
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2025 Resolved
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2024 Unaddressed
Public Notice OTHER — — 2024 Resolved
Public Notice OTHER — — 2024 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2024 Resolved
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2024 Resolved
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2024 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 7.5 PCI/L 5 pCi/L 2024 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 15.85 PCI/L 15 pCi/L 2023 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 9.85 PCI/L 5 pCi/L 2023 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 11.2 PCI/L 5 pCi/L 2023 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2023 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2023 Resolved
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2023 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 10.48 PCI/L 5 pCi/L 2023 Resolved
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2023 Resolved
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2023 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2023 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 11 PCI/L 5 pCi/L 2023 Resolved
Public Notice OTHER — — 2022 Resolved
Public Notice OTHER — — 2022 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 18 PCI/L 15 pCi/L 2022 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 11 PCI/L 5 pCi/L 2022 Resolved
Public Notice OTHER — — 2022 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 10.38 PCI/L 5 pCi/L 2022 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 19.47 PCI/L 15 pCi/L 2022 Resolved
Stage 1 Disinfectants and Disinfection Byproducts Rule TREATMENT TECHNIQUE — — 2022 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 10 PCI/L 5 pCi/L 2022 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 19 PCI/L 15 pCi/L 2022 Resolved
Public Notice OTHER — — 2022 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 10 PCI/L 5 pCi/L 2022 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2021 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 9.75 PCI/L 5 pCi/L 2021 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 10.9 PCI/L 5 pCi/L 2021 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 12 PCI/L 5 pCi/L 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 12 PCI/L 5 pCi/L 2021 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2020 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 11.65 PCI/L 5 pCi/L 2020 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 11 PCI/L 5 pCi/L 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2020 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 10.2 PCI/L 5 pCi/L 2020 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 10.3 PCI/L 5 pCi/L 2020 Resolved
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2020 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2019 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 10.4 PCI/L 5 pCi/L 2019 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 11.13 PCI/L 5 pCi/L 2019 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 11.85 PCI/L 5 pCi/L 2019 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 17.23 PCI/L 15 pCi/L 2019 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 12.18 PCI/L 5 pCi/L 2019 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 12.5 PCI/L 5 pCi/L 2018 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 12.38 PCI/L 5 pCi/L 2018 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 12.23 PCI/L 5 pCi/L 2018 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 12.25 PCI/L 5 pCi/L 2018 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 15.57 PCI/L 15 pCi/L 2017 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 12.3 PCI/L 5 pCi/L 2017 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 17 PCI/L 15 pCi/L 2016 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 17 PCI/L 15 pCi/L 2016 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 8.4 PCI/L 5 pCi/L 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

73 violations are on record since 2015, of which 38 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Cheraw Town Of
PWSID CO0145090
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 237
Service connections 131
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Cheraw tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.70 ppb, 11% of the action level.
Does Cheraw 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 Cheraw? ▼
Cheraw Town Of (PWSID CO0145090). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2024-02-07. No significant deficiencies were recorded.

What Should Cheraw 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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