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Community Water System · PWS CO0130033

Forest Hills MD Riva Chase

Golden, Colorado 80401 - drinking water served from groundwater sources to 400 people, tracked in EPA SDWIS and UCMR5.

400
People served
190
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 190 drinking-water violations at Forest Hills MD Riva Chase - above the Colorado per-system average.

190
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
400
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Forest Hills MD Riva Chase

Forest Hills MD Riva Chase is a local-owned community water system that delivers drinking water to 400 residents in Golden, Colorado (Jefferson County) through 148 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 190 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 182 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 9 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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%).

Forest Hills MD Riva Chase's 190 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
400
Total Violations
190
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
148
County
Jefferson
School/Daycare
No
MCL Violations
0
Monitoring Violations
182
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 9 2006
Consumer Confidence Rule Other 8 2011
TTHM MR 7 2024
Total Haloacetic Acids (HAA5) MR 7 2024
Endrin MR 4 2005
BHC-GAMMA MR 4 2005
Methoxychlor MR 4 2005
Diquat MR 4 2005
Endothall MR 4 2005
Di(2-ethylhexyl) adipate MR 4 2005
OXAMYL MR 4 2005
Simazine MR 4 2005
Di(2-ethylhexyl) phthalate MR 4 2005
Aldicarb sulfoxide MR 4 2005
Aldicarb sulfone MR 4 2005
Carbofuran MR 4 2005
LASSO MR 4 2005
Heptachlor MR 4 2005
Heptachlor epoxide MR 4 2005
2,4,5-TP MR 4 2005
HEXACHLOROBENZENE MR 4 2005
Benzo(a)pyrene MR 4 2005
Pentachlorophenol MR 4 2005
Total Polychlorinated Biphenyls (PCB) MR 4 2005
1,2-DIBROMO-3-CHLOROPROPANE MR 4 2005
ETHYLENE DIBROMIDE MR 4 2005
Chlordane MR 4 2005
Hexachlorocyclopentadiene MR 4 2005
Dalapon MR 4 2005
Toxaphene MR 4 2005

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 Forest Hills MD Riva Chase.

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 CO0130033 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 Forest Hills MD Riva Chase 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
2024 TTHM MR 7 SDWIS / CO0130033 / 2950
2024 Total Haloacetic Acids (HAA5) MR 7 SDWIS / CO0130033 / 2456
2011 Consumer Confidence Rule Other 8 SDWIS / CO0130033 / 7000
2006 Coliform (TCR) MR 9 SDWIS / CO0130033 / 3100
2006 Chlorine MR 2 SDWIS / CO0130033 / 0999
2005 Endrin MR 4 SDWIS / CO0130033 / 2005
2005 BHC-GAMMA MR 4 SDWIS / CO0130033 / 2010
2005 Methoxychlor MR 4 SDWIS / CO0130033 / 2015
2005 Diquat MR 4 SDWIS / CO0130033 / 2032
2005 Endothall MR 4 SDWIS / CO0130033 / 2033
2005 Di(2-ethylhexyl) adipate MR 4 SDWIS / CO0130033 / 2035
2005 OXAMYL MR 4 SDWIS / CO0130033 / 2036
2005 Simazine MR 4 SDWIS / CO0130033 / 2037
2005 Di(2-ethylhexyl) phthalate MR 4 SDWIS / CO0130033 / 2039
2005 Aldicarb sulfoxide MR 4 SDWIS / CO0130033 / 2043

How Forest Hills MD Riva Chase Compares

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

Metric Forest Hills MD Riva Chase Colorado avg Federal benchmark
Total violations 190 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 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 400 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 Forest Hills MD Riva Chase water safe to drink? ▼
Forest Hills MD Riva Chase (PWS ID: CO0130033) has 190 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 400 people using Groundwater sources.
How many people does Forest Hills MD Riva Chase serve? ▼
Forest Hills MD Riva Chase serves 400 people in Golden, Colorado. It is a Local-owned system using Groundwater water sources with 148 service connections.
What type of violations does Forest Hills MD Riva Chase have? ▼
Forest Hills MD Riva Chase has 190 total violations: 0 health-based violations (MCL exceedances or treatment failures), 182 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Forest Hills MD Riva Chase water? ▼
No PFAS testing data is available for Forest Hills MD Riva Chase under the EPA's UCMR5 monitoring program.
What water source does Forest Hills MD Riva Chase use? ▼
Forest Hills MD Riva Chase uses Groundwater 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. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

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.