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Community Water System · PWS CO0129834

Walden Town Of

Walden, Colorado 80480 - drinking water served from surface water sources to 569 people, tracked in EPA SDWIS and UCMR5.

569
People served
40
EPA violations
3
Health-based
Untested
UCMR5 result

The verdict

EPA records 40 drinking-water violations at Walden Town Of, 8% of them health-based - below the Colorado per-system average.

40
Total EPA violations on record
8%
Health-based (MCL / treatment failure)
569
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Walden Town Of

Walden Town Of is a local-owned community water system that delivers drinking water to 569 residents in Walden, Colorado (Jackson County) through 602 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 40 total violations for this system , of which 3 (8%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 33 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Total Haloacetic Acids (HAA5), recorded in 11 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%).

Walden Town Of's 40 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
569
Total Violations
40
Health-Based Violations
3
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
602
County
Jackson
School/Daycare
No
MCL Violations
0
Monitoring Violations
33
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MR 11 2024
TTHM MR 7 2024
Surface Water Treatment Rule MR 6 2022
Coliform (TCR) MR 6 2007
Surface Water Treatment Rule TT 3 2002
Interim Enhanced Surface Water Treatment Rule MR 3 2022
Consumer Confidence Rule Other 3 2025

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 Walden 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 CO0129834 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 Walden 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
2025 Consumer Confidence Rule Other 3 SDWIS / CO0129834 / 7000
2024 Total Haloacetic Acids (HAA5) MR 11 SDWIS / CO0129834 / 2456
2024 TTHM MR 7 SDWIS / CO0129834 / 2950
2022 Surface Water Treatment Rule MR 6 SDWIS / CO0129834 / 0200
2022 Interim Enhanced Surface Water Treatment Rule MR 3 SDWIS / CO0129834 / 0300
2007 Coliform (TCR) MR 6 SDWIS / CO0129834 / 3100
2002 Surface Water Treatment Rule TT 3 SDWIS / CO0129834 / 0200

How Walden Town Of Compares

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

Metric Walden Town Of Colorado avg Federal benchmark
Total violations 40 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 3 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 569 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 Walden Town Of water safe to drink? ▼
Walden Town Of (PWS ID: CO0129834) has 40 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 569 people using Surface Water sources.
How many people does Walden Town Of serve? ▼
Walden Town Of serves 569 people in Walden, Colorado. It is a Local-owned system using Surface Water water sources with 602 service connections.
What type of violations does Walden Town Of have? ▼
Walden Town Of has 40 total violations: 3 health-based violations (MCL exceedances or treatment failures), 33 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Walden Town Of water? ▼
No PFAS testing data is available for Walden Town Of under the EPA's UCMR5 monitoring program.
What water source does Walden Town Of use? ▼
Walden 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. 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.