PlainWater

Community Water System · PWS CO0130035

Genesee WSD

Golden, Colorado 80401 - drinking water served from surface water sources to 3,920 people, tracked in EPA SDWIS and UCMR5.

3,920
People served
180
EPA violations
59
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 180 drinking-water violations at Genesee WSD, 33% of them health-based - above the Colorado per-system average.

180
Total EPA violations on record
33%
Health-based (MCL / treatment failure)
3,920
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Genesee WSD

Genesee WSD is a local-owned community water system that delivers drinking water to 3,920 residents in Golden, Colorado (Jefferson County) through 1,343 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 180 total violations for this system , of which 59 (33%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 117 monitoring and reporting violations are on file. The most recent violation on record dates to 2014.

The most frequently cited contaminant at this system is CARBON, TOTAL, recorded in 46 violations (TT, 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%).

Genesee WSD's 180 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
3,920
Total Violations
180
Health-Based Violations
59
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,343
County
Jefferson
School/Daycare
No
MCL Violations
5
Monitoring Violations
117
Treatment Tech Violations
54

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
CARBON, TOTAL TT 46 2011
Surface Water Treatment Rule MR 24 2011
Coliform (TCR) MR 9 2011
Surface Water Treatment Rule TT 8 2014
TTHM MR 7 2012
Total Haloacetic Acids (HAA5) MR 7 2012
TTHM MCL 5 2010
Chlorine MR 4 2011
Interim Enhanced Surface Water Treatment Rule MR 4 2005
Toxaphene MR 2 2005
Diquat MR 2 2005
OXAMYL MR 2 2005
Dinoseb MR 2 2005
Hexachlorocyclopentadiene MR 2 2005
Aldicarb sulfoxide MR 2 2005
Carbofuran MR 2 2005
Aldicarb MR 2 2005
Benzo(a)pyrene MR 2 2005
Pentachlorophenol MR 2 2005
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2005
Chlordane MR 2 2005
BHC-GAMMA MR 2 2005
2,4-D MR 2 2005
Endrin MR 2 2005
Aldicarb sulfone MR 2 2005
HEXACHLOROBENZENE MR 2 2005
Picloram MR 2 2005
Total Polychlorinated Biphenyls (PCB) MR 2 2005
Atrazine MR 2 2005
2,4,5-TP MR 2 2005

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
PFBS 9/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/9/2024 <4.00 ppt 4.00 ppt Not Detected
PFTA 9/9/2024 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 9/9/2024 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 9/9/2024 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 9/9/2024 <6.00 ppt 6.00 ppt Not Detected
ADONA 9/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeA 9/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 9/9/2024 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 9/9/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/9/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 9/9/2024 <5.00 ppt 5.00 ppt Not Detected
PFHpA 9/9/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/9/2024 <5.00 ppt 5.00 ppt Not Detected
PFHxS 9/9/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 9/9/2024 <2.00 ppt 2.00 ppt Not Detected
PFOA 9/9/2024 <4.00 ppt 4.00 ppt Not Detected
PFBA 9/9/2024 <5.00 ppt 5.00 ppt Not Detected
PFOS 9/9/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpS 9/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 9/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 9/9/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 9/9/2024 <5.00 ppt 5.00 ppt Not Detected
NFDHA 9/9/2024 <20.00 ppt 20.00 ppt Not Detected
PFPeS 9/9/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 6/11/2024 <4.00 ppt 4.00 ppt Not Detected
PFTA 6/11/2024 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 6/11/2024 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 6/11/2024 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 6/11/2024 <6.00 ppt 6.00 ppt Not Detected
PFBS 6/11/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 6/11/2024 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 6/11/2024 <2.00 ppt 2.00 ppt Not Detected
PFHxS 6/11/2024 <3.00 ppt 3.00 ppt Not Detected
ADONA 6/11/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 6/11/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 6/11/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 6/11/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 6/11/2024 <5.00 ppt 5.00 ppt Not Detected
8:2 FTS 6/11/2024 <5.00 ppt 5.00 ppt Not Detected
PFPeA 6/11/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 6/11/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 6/11/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 6/11/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 6/11/2024 <4.00 ppt 4.00 ppt Not Detected
4:2 FTS 6/11/2024 <3.00 ppt 3.00 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 Genesee WSD.

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 CO0130035 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 Genesee WSD 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
2014 Surface Water Treatment Rule TT 8 SDWIS / CO0130035 / 0200
2012 TTHM MR 7 SDWIS / CO0130035 / 2950
2012 Total Haloacetic Acids (HAA5) MR 7 SDWIS / CO0130035 / 2456
2011 CARBON, TOTAL TT 46 SDWIS / CO0130035 / 2920
2011 Surface Water Treatment Rule MR 24 SDWIS / CO0130035 / 0200
2011 Coliform (TCR) MR 9 SDWIS / CO0130035 / 3100
2011 Chlorine MR 4 SDWIS / CO0130035 / 0999
2010 TTHM MCL 5 SDWIS / CO0130035 / 2950
2005 Interim Enhanced Surface Water Treatment Rule MR 4 SDWIS / CO0130035 / 0300
2005 Toxaphene MR 2 SDWIS / CO0130035 / 2020
2005 Diquat MR 2 SDWIS / CO0130035 / 2032
2005 OXAMYL MR 2 SDWIS / CO0130035 / 2036
2005 Dinoseb MR 2 SDWIS / CO0130035 / 2041
2005 Hexachlorocyclopentadiene MR 2 SDWIS / CO0130035 / 2042
2005 Aldicarb sulfoxide MR 2 SDWIS / CO0130035 / 2043

How Genesee WSD Compares

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

Metric Genesee WSD Colorado avg Federal benchmark
Total violations 180 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 59 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 3,920 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 Genesee WSD water safe to drink?
Genesee WSD (PWS ID: CO0130035) has 180 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,920 people using Surface Water sources.
How many people does Genesee WSD serve?
Genesee WSD serves 3,920 people in Golden, Colorado. It is a Local-owned system using Surface Water water sources with 1,343 service connections.
What type of violations does Genesee WSD have?
Genesee WSD has 180 total violations: 59 health-based violations (MCL exceedances or treatment failures), 117 monitoring/reporting violations, and 54 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Genesee WSD water?
No. Genesee WSD was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Genesee WSD use?
Genesee WSD 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.