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Rye, CO Tap Water Quality 2026

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

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

Main Utility: Rye Town Of PWSID: CO0151700 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. PFAS has never been sampled at this system.

C

Rye earns a C for water quality

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

Lead: not detected
PFAS never sampled at this system
120 violations since 2015, 56 health-based
No violations currently open
Rye's lead level vs. all Colorado community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of Colorado utilities
Population Served
197
~119 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
120 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
TTHM MONITORING AND REPORTING — 0.080 mg/L 2026 Archived
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2026 Archived
Revised Total Coliform Rule REPORTING FAILURE — — 2025 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2025 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.064 MG/L 0.060 mg/L 2025 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2025 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.068 MG/L 0.060 mg/L 2025 Resolved
Interim Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2024 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2024 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2024 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.071 MG/L 0.060 mg/L 2024 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.07 MG/L 0.060 mg/L 2024 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2024 Resolved
Lead and Copper Rule TREATMENT TECHNIQUE — TT 2024 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.063 MG/L 0.060 mg/L 2024 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.093 MG/L 0.060 mg/L 2024 Resolved
Lead and Copper Rule TREATMENT TECHNIQUE — TT 2024 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2023 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.093 MG/L 0.060 mg/L 2023 Resolved
Public Notice OTHER — — 2023 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.094 MG/L 0.060 mg/L 2023 Resolved
Stage 1 Disinfectants and Disinfection Byproducts Rule TREATMENT TECHNIQUE — — 2023 Resolved
Public Notice OTHER — — 2023 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.142 MG/L 0.060 mg/L 2023 Resolved
TTHM MCL EXCEEDANCE 0.0999 MG/L 0.080 mg/L 2023 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.064 MG/L 0.060 mg/L 2023 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.065 MG/L 0.060 mg/L 2022 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.065 MG/L 0.060 mg/L 2022 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2022 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.072 MG/L 0.060 mg/L 2022 Resolved
Public Notice OTHER — — 2022 Resolved
Public Notice OTHER — — 2022 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.115 MG/L 0.060 mg/L 2022 Resolved
TTHM MCL EXCEEDANCE 0.096 MG/L 0.080 mg/L 2022 Resolved
Public Notice OTHER — — 2021 Resolved
TTHM MCL EXCEEDANCE 0.0947 MG/L 0.080 mg/L 2021 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.113 MG/L 0.060 mg/L 2021 Resolved
Lead and Copper Rule TREATMENT TECHNIQUE — TT 2021 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.11568 MG/L 0.060 mg/L 2021 Resolved
TTHM MCL EXCEEDANCE 0.0953 MG/L 0.080 mg/L 2021 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 88.65 UG/L 0.060 mg/L 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Revised Total Coliform Rule OTHER — — 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2020 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2020 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 94.4 UG/L 0.060 mg/L 2020 Resolved
Public Notice OTHER — — 2019 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2019 Resolved
Public Notice OTHER — — 2019 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2019 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2019 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2019 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2019 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 95.22 UG/L 0.060 mg/L 2019 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2019 Resolved
Lead and Copper Rule TREATMENT TECHNIQUE — TT 2019 Resolved
Public Notice OTHER — — 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.096 MG/L 0.060 mg/L 2019 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2019 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2019 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.092 MG/L 0.060 mg/L 2019 Resolved
Public Notice OTHER — — 2019 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2019 Resolved
Public Notice OTHER — — 2018 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2018 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2018 Resolved
Public Notice OTHER — — 2018 Resolved
Public Notice OTHER — — 2018 Resolved
Stage 1 Disinfectants and Disinfection Byproducts Rule TREATMENT TECHNIQUE — — 2018 Resolved
Public Notice OTHER — — 2018 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2018 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2018 Resolved
Public Notice OTHER — — 2018 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2018 Resolved
Public Notice OTHER — — 2018 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.1 MG/L 0.060 mg/L 2018 Resolved
Public Notice OTHER — — 2018 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2018 Resolved
Public Notice OTHER — — 2018 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.17 MG/L 0.060 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 0.123 MG/L 0.080 mg/L 2018 Resolved
Public Notice OTHER — — 2017 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2017 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2017 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2017 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2017 Resolved
TTHM MCL EXCEEDANCE 0.123 MG/L 0.080 mg/L 2017 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.17 MG/L 0.060 mg/L 2017 Resolved
Public Notice OTHER — — 2017 Resolved
Long Term 2 Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2017 Resolved
Consumer Confidence Rule OTHER — — 2017 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.162 MG/L 0.060 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 0.118 MG/L 0.080 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 0.087 MG/L 0.080 mg/L 2017 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.103 MG/L 0.060 mg/L 2017 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.088 MG/L 0.060 mg/L 2017 Resolved
Public Notice OTHER — — 2016 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2016 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2016 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.089 MG/L 0.060 mg/L 2016 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.091 MG/L 0.060 mg/L 2016 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.095 MG/L 0.060 mg/L 2016 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.078 MG/L 0.060 mg/L 2016 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.079 MG/L 0.060 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.085 MG/L 0.060 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.101 MG/L 0.060 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 0.088 MG/L 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 0.081 MG/L 0.080 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.086 MG/L 0.060 mg/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

120 violations are on record since 2015, of which 56 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Rye Town Of
PWSID CO0151700
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 197
Service connections 119
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Rye tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Rye 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 Rye? ▼
Rye Town Of (PWSID CO0151700). Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2025-04-21. Inspectors recorded 2 significant deficiencies.

What Should Rye 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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