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Transient Non-Community Water System · PWS CO0108550

Mt Princeton RV Park and Cabins

San Antonio, Colorado 78257 - drinking water served from groundwater sources to 110 people, tracked in EPA SDWIS and UCMR5.

110
People served
27
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 27 drinking-water violations at Mt Princeton RV Park and Cabins, 15% of them health-based - below the Colorado per-system average.

27
Total EPA violations on record
15%
Health-based (MCL / treatment failure)
110
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Mt Princeton RV Park and Cabins

Mt Princeton RV Park and Cabins is a private-owned transient non-community water system that delivers drinking water to 110 residents in San Antonio, Colorado (Chaffee County) through 77 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 27 total violations for this system , of which 4 (15%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 15 monitoring and reporting violations are on file. The most recent violation on record dates to 2009.

The most frequently cited contaminant at this system is Nitrate, recorded in 8 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%).

Mt Princeton RV Park and Cabins's 27 violations sit below 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
110
Total Violations
27
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
77
County
Chaffee
School/Daycare
No
MCL Violations
4
Monitoring Violations
15
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 8 2009
Consumer Confidence Rule Other 6 2007
Lead and Copper Rule MR 4 2007
Coliform (TCR) MCL 4 2002
Coliform (TCR) MR 3 1996

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 Mt Princeton RV Park and Cabins.

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 CO0108550 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 Mt Princeton RV Park and Cabins 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
2009 Nitrate MR 8 SDWIS / CO0108550 / 1040
2007 Consumer Confidence Rule Other 6 SDWIS / CO0108550 / 7000
2007 Lead and Copper Rule MR 4 SDWIS / CO0108550 / 5000
2002 Coliform (TCR) MCL 4 SDWIS / CO0108550 / 3100
1996 Coliform (TCR) MR 3 SDWIS / CO0108550 / 3100

How Mt Princeton RV Park and Cabins Compares

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

Metric Mt Princeton RV Park and Cabins Colorado avg Federal benchmark
Total violations 27 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 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 110 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 Mt Princeton RV Park and Cabins water safe to drink? ▼
Mt Princeton RV Park and Cabins (PWS ID: CO0108550) has 27 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 110 people using Groundwater sources.
How many people does Mt Princeton RV Park and Cabins serve? ▼
Mt Princeton RV Park and Cabins serves 110 people in San Antonio, Colorado. It is a Private-owned system using Groundwater water sources with 77 service connections.
What type of violations does Mt Princeton RV Park and Cabins have? ▼
Mt Princeton RV Park and Cabins has 27 total violations: 4 health-based violations (MCL exceedances or treatment failures), 15 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Mt Princeton RV Park and Cabins water? ▼
No PFAS testing data is available for Mt Princeton RV Park and Cabins under the EPA's UCMR5 monitoring program.
What water source does Mt Princeton RV Park and Cabins use? ▼
Mt Princeton RV Park and Cabins uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.