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Hudson, CO Tap Water Quality 2026

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

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

Main Utility: Hudson Town Of PWSID: CO0162359 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 was sampled but not enough times for a compliance determination.

B

Hudson 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 sampled, too few results to judge
34 violations since 2015, 2 health-based
No violations currently open
Hudson'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
1218
~598 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
34 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 — — 2023 Resolved
TTHM MCL EXCEEDANCE 0.081 MG/L 0.080 mg/L 2022 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2022 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2022 Resolved
TTHM MCL EXCEEDANCE 0.081 MG/L 0.080 mg/L 2022 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2022 Resolved
Public Notice OTHER — — 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Public Notice OTHER — — 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Public Notice OTHER — — 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
Public Notice OTHER — — 2017 Resolved
Stage 2 Disinfectants and Disinfection Byproducts Rule MONITORING AND REPORTING — — 2016 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2016 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2016 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2016 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2015 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2015 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2015 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2015 Resolved
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2015 Resolved
Chromium MONITORING AND REPORTING — 0.1 mg/L 2015 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2015 Resolved
Nickel MONITORING AND REPORTING — — 2015 Resolved
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2015 Resolved
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2015 Resolved
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2015 Resolved
Selenium MONITORING AND REPORTING — 0.05 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

34 violations are on record since 2015, of which 2 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Hudson Town Of
PWSID CO0162359
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 1,218
Service connections 598
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Hudson 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 Hudson water have PFAS? ▼
It was sampled, but no sampling point had enough results for a compliance determination.
Who supplies water to Hudson? ▼
Hudson Town Of (PWSID CO0162359). Surface water. Purchased from another system — SDWIS source code SWP
When was this system last inspected? ▼
It was last inspected on 2023-10-16. No significant deficiencies were recorded.

What Should Hudson 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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