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Community Water System · PWS CO0162359

Hudson Town Of

Hudson, Colorado 80642 - drinking water served from surface water sources to 3,350 people, tracked in EPA SDWIS and UCMR5.

3,350
People served
184
EPA violations
51
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 184 drinking-water violations at Hudson Town Of, 28% of them health-based - above the Colorado per-system average.

184
Total EPA violations on record
28%
Health-based (MCL / treatment failure)
3,350
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hudson Town Of

Hudson Town Of is a local-owned community water system that delivers drinking water to 3,350 residents in Hudson, Colorado (Weld County) through 598 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 184 total violations for this system , of which 51 (28%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 109 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is TTHM, recorded in 50 violations (MCL, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

Hudson Town Of's 184 violations sit above 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
3,350
Total Violations
184
Health-Based Violations
51
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
598
County
Weld
School/Daycare
No
MCL Violations
51
Monitoring Violations
109
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 50 2022
Public Notice Other 21 2023
TTHM MR 9 2019
Total Haloacetic Acids (HAA5) MR 9 2019
Arsenic MR 6 2015
Chromium MR 6 2015
Mercury MR 6 2015
Selenium MR 6 2015
Barium MR 6 2015
Nickel MR 6 2015
Beryllium, Total MR 6 2015
Thallium, Total MR 6 2015
Antimony, Total MR 6 2015
Coliform (TCR) MR 6 2005
Cadmium MR 6 2015
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 4 2016
Chlorine MR 4 2022
Surface Water Treatment Rule MR 4 2022
Revised Total Coliform Rule MON 4 2022
Nitrate MR 3 2016
Lead and Copper Rule MR 3 2010
Fluoride MR 3 2015
Consumer Confidence Rule Other 2 2011
Nitrate MCL 1 1984

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 91 samples detected PFAS.

Contaminant Date Result MRL Status
9Cl-PF3ONS 9/23/2025 <2.00 ppt 2.00 ppt Not Detected
PFOA 9/23/2025 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/23/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/23/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/23/2025 <3.00 ppt 3.00 ppt Not Detected
PFOS 9/23/2025 <4.00 ppt 4.00 ppt Not Detected
11Cl-PF3OUdS 9/23/2025 <5.00 ppt 5.00 ppt Not Detected
PFUnA 9/23/2025 <2.00 ppt 2.00 ppt Not Detected
PFNA 9/23/2025 <4.00 ppt 4.00 ppt Not Detected
PFPeS 9/23/2025 <4.00 ppt 4.00 ppt Not Detected
ADONA 9/23/2025 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/23/2025 <20.00 ppt 20.00 ppt Not Detected
PFBS 9/23/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 9/23/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxS 9/23/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpS 9/23/2025 <3.00 ppt 3.00 ppt Not Detected
PFBA 9/23/2025 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 9/23/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/23/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/23/2025 <5.00 ppt 5.00 ppt Not Detected
PFMPA 9/23/2025 <4.00 ppt 4.00 ppt Not Detected
PFPeA 9/23/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/23/2025 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/23/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/23/2025 <5.00 ppt 5.00 ppt Not Detected
PFNA 8/18/2025 <4.00 ppt 4.00 ppt Not Detected
PFHxS 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
ADONA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 8/18/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 8/18/2025 <5.00 ppt 5.00 ppt Not Detected
PFHpS 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFOA 8/18/2025 <4.00 ppt 4.00 ppt Not Detected
HFPO-DA 8/18/2025 <5.00 ppt 5.00 ppt Not Detected
PFOS 8/18/2025 <4.00 ppt 4.00 ppt Not Detected
PFUnA 8/18/2025 <2.00 ppt 2.00 ppt Not Detected
PFHpA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/18/2025 <4.00 ppt 4.00 ppt Not Detected
PFDA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 8/18/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 8/18/2025 <5.00 ppt 5.00 ppt Not Detected
PFMPA 8/18/2025 <4.00 ppt 4.00 ppt Not Detected
PFPeA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFEESA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
NFDHA 8/18/2025 <20.00 ppt 20.00 ppt Not Detected
PFDoA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFBA 8/18/2025 <5.00 ppt 5.00 ppt Not Detected

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 Hudson 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 CO0162359 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 Hudson 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
2023 Public Notice Other 21 SDWIS / CO0162359 / 7500
2022 TTHM MCL 50 SDWIS / CO0162359 / 2950
2022 Chlorine MR 4 SDWIS / CO0162359 / 0999
2022 Surface Water Treatment Rule MR 4 SDWIS / CO0162359 / 0200
2022 Revised Total Coliform Rule MON 4 SDWIS / CO0162359 / 8000
2019 TTHM MR 9 SDWIS / CO0162359 / 2950
2019 Total Haloacetic Acids (HAA5) MR 9 SDWIS / CO0162359 / 2456
2016 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 4 SDWIS / CO0162359 / 0600
2016 Nitrate MR 3 SDWIS / CO0162359 / 1040
2015 Arsenic MR 6 SDWIS / CO0162359 / 1005
2015 Chromium MR 6 SDWIS / CO0162359 / 1020
2015 Mercury MR 6 SDWIS / CO0162359 / 1035
2015 Selenium MR 6 SDWIS / CO0162359 / 1045
2015 Barium MR 6 SDWIS / CO0162359 / 1010
2015 Nickel MR 6 SDWIS / CO0162359 / 1036

How Hudson Town Of Compares

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

Metric Hudson Town Of Colorado avg Federal benchmark
Total violations 184 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 51 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 3,350 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 Hudson Town Of water safe to drink?
Hudson Town Of (PWS ID: CO0162359) has 184 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,350 people using Surface Water sources.
How many people does Hudson Town Of serve?
Hudson Town Of serves 3,350 people in Hudson, Colorado. It is a Local-owned system using Surface Water water sources with 598 service connections.
What type of violations does Hudson Town Of have?
Hudson Town Of has 184 total violations: 51 health-based violations (MCL exceedances or treatment failures), 109 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hudson Town Of water?
No. Hudson Town Of was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Hudson Town Of use?
Hudson 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
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.