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Community Water System · PWS CO0123123

Asgard Subdivision WA

Silt, Colorado 81652 - drinking water served from surface water sources to 80 people, tracked in EPA SDWIS and UCMR5.

80
People served
228
EPA violations
108
Health-based
Untested
UCMR5 result

The verdict

EPA records 228 drinking-water violations at Asgard Subdivision WA, 47% of them health-based - above the Colorado per-system average.

228
Total EPA violations on record
47%
Health-based (MCL / treatment failure)
80
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Asgard Subdivision WA

Asgard Subdivision WA is a private-owned community water system that delivers drinking water to 80 residents in Silt, Colorado (Garfield County) through 21 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 228 total violations for this system , of which 108 (47%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 106 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 Selenium, recorded in 58 violations (MCL, health-based). 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%).

Asgard Subdivision WA's 228 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
80
Total Violations
228
Health-Based Violations
108
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
21
County
Garfield
School/Daycare
No
MCL Violations
108
Monitoring Violations
106
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Selenium MCL 58 2014
Coliform (TCR) MR 54 2004
Nitrate MCL 50 2025
Nitrate MR 22 2025
Lead and Copper Rule MR 14 2025
Endothall MR 6 2008
Nitrate Other 4 2014
Total Haloacetic Acids (HAA5) MR 4 2023
Consumer Confidence Rule Other 3 2002
Revised Total Coliform Rule RPT 3 2025
Selenium MR 3 2024
Chlorine MR 3 2025
Public Notice Other 2 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 Asgard Subdivision WA.

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 CO0123123 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 Asgard Subdivision WA 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 Nitrate MCL 50 SDWIS / CO0123123 / 1040
2025 Nitrate MR 22 SDWIS / CO0123123 / 1040
2025 Lead and Copper Rule MR 14 SDWIS / CO0123123 / 5000
2025 Revised Total Coliform Rule RPT 3 SDWIS / CO0123123 / 8000
2025 Chlorine MR 3 SDWIS / CO0123123 / 0999
2025 Public Notice Other 2 SDWIS / CO0123123 / 7500
2024 Selenium MR 3 SDWIS / CO0123123 / 1045
2023 Total Haloacetic Acids (HAA5) MR 4 SDWIS / CO0123123 / 2456
2014 Selenium MCL 58 SDWIS / CO0123123 / 1045
2014 Nitrate Other 4 SDWIS / CO0123123 / 1040
2008 Endothall MR 6 SDWIS / CO0123123 / 2033
2004 Coliform (TCR) MR 54 SDWIS / CO0123123 / 3100
2002 Consumer Confidence Rule Other 3 SDWIS / CO0123123 / 7000

How Asgard Subdivision WA Compares

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

Metric Asgard Subdivision WA Colorado avg Federal benchmark
Total violations 228 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 108 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 80 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 Asgard Subdivision WA water safe to drink? ▼
Asgard Subdivision WA (PWS ID: CO0123123) has 228 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 80 people using Surface Water sources.
How many people does Asgard Subdivision WA serve? ▼
Asgard Subdivision WA serves 80 people in Silt, Colorado. It is a Private-owned system using Surface Water water sources with 21 service connections.
What type of violations does Asgard Subdivision WA have? ▼
Asgard Subdivision WA has 228 total violations: 108 health-based violations (MCL exceedances or treatment failures), 106 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Asgard Subdivision WA water? ▼
No PFAS testing data is available for Asgard Subdivision WA under the EPA's UCMR5 monitoring program.
What water source does Asgard Subdivision WA use? ▼
Asgard Subdivision WA 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.