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Community Water System · PWS CO0254342

Hidden Springs Ranch

Hayden, Colorado 81639 - drinking water served from groundwater sources to 27 people, tracked in EPA SDWIS and UCMR5.

27
People served
375
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 375 drinking-water violations at Hidden Springs Ranch - above the Colorado per-system average.

375
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
27
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hidden Springs Ranch

Hidden Springs Ranch is a private-owned community water system that delivers drinking water to 27 residents in Hayden, Colorado (Routt County) through 12 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 375 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 373 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 Combined Uranium, recorded in 12 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%).

Hidden Springs Ranch's 375 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
27
Total Violations
375
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
12
County
Routt
School/Daycare
No
MCL Violations
0
Monitoring Violations
373
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Uranium MR 12 2024
Gross Alpha, Excl. Radon and U MR 9 2024
Combined Radium (-226 and -228) MR 9 2024
DICHLOROMETHANE MR 6 2023
p-Dichlorobenzene MR 6 2023
Vinyl chloride MR 6 2023
1,1-Dichloroethylene MR 6 2023
trans-1,2-Dichloroethylene MR 6 2023
1,2-Dichloroethane MR 6 2023
Carbon tetrachloride MR 6 2023
1,2-Dichloropropane MR 6 2023
Tetrachloroethylene MR 6 2023
Ethylbenzene MR 6 2023
Endrin MR 6 2023
BHC-GAMMA MR 6 2023
Methoxychlor MR 6 2023
Toxaphene MR 6 2023
Diquat MR 6 2023
Endothall MR 6 2023
Di(2-ethylhexyl) adipate MR 6 2023
OXAMYL MR 6 2023
Simazine MR 6 2023
Di(2-ethylhexyl) phthalate MR 6 2023
Dinoseb MR 6 2023
Hexachlorocyclopentadiene MR 6 2023
Atrazine MR 6 2023
HEXACHLOROBENZENE MR 6 2023
1,2-DIBROMO-3-CHLOROPROPANE MR 6 2023
ETHYLENE DIBROMIDE MR 6 2023
Xylenes, Total MR 6 2023

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 Hidden Springs Ranch.

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 CO0254342 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 Hidden Springs Ranch 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 Combined Uranium MR 12 SDWIS / CO0254342 / 4006
2024 Gross Alpha, Excl. Radon and U MR 9 SDWIS / CO0254342 / 4000
2024 Combined Radium (-226 and -228) MR 9 SDWIS / CO0254342 / 4010
2024 Lead and Copper Rule MR 3 SDWIS / CO0254342 / 5000
2024 Public Notice Other 2 SDWIS / CO0254342 / 7500
2023 DICHLOROMETHANE MR 6 SDWIS / CO0254342 / 2964
2023 p-Dichlorobenzene MR 6 SDWIS / CO0254342 / 2969
2023 Vinyl chloride MR 6 SDWIS / CO0254342 / 2976
2023 1,1-Dichloroethylene MR 6 SDWIS / CO0254342 / 2977
2023 trans-1,2-Dichloroethylene MR 6 SDWIS / CO0254342 / 2979
2023 1,2-Dichloroethane MR 6 SDWIS / CO0254342 / 2980
2023 Carbon tetrachloride MR 6 SDWIS / CO0254342 / 2982
2023 1,2-Dichloropropane MR 6 SDWIS / CO0254342 / 2983
2023 Tetrachloroethylene MR 6 SDWIS / CO0254342 / 2987
2023 Ethylbenzene MR 6 SDWIS / CO0254342 / 2992

How Hidden Springs Ranch Compares

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

Metric Hidden Springs Ranch Colorado avg Federal benchmark
Total violations 375 108.9 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 27 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 Hidden Springs Ranch water safe to drink?
Hidden Springs Ranch (PWS ID: CO0254342) has 375 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 27 people using Groundwater sources.
How many people does Hidden Springs Ranch serve?
Hidden Springs Ranch serves 27 people in Hayden, Colorado. It is a Private-owned system using Groundwater water sources with 12 service connections.
What type of violations does Hidden Springs Ranch have?
Hidden Springs Ranch has 375 total violations: 0 health-based violations (MCL exceedances or treatment failures), 373 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hidden Springs Ranch water?
No PFAS testing data is available for Hidden Springs Ranch under the EPA's UCMR5 monitoring program.
What water source does Hidden Springs Ranch use?
Hidden Springs Ranch 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.
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.