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Non-Transient Non-Community Water System · PWS CO0234820

Durango 9R Sunnyside Elementary School

Durango, Colorado 81301 - drinking water served from groundwater sources to 192 people, tracked in EPA SDWIS and UCMR5.

192
People served
64
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 64 drinking-water violations at Durango 9R Sunnyside Elementary School - below the Colorado per-system average.

64
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
192
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Durango 9R Sunnyside Elementary School

Durango 9R Sunnyside Elementary School is a local-owned non-transient non-community water system that delivers drinking water to 192 residents in Durango, Colorado (La Plata County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 64 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 63 monitoring and reporting violations are on file. The most recent violation on record dates to 1999.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 6 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%).

Durango 9R Sunnyside Elementary School's 64 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
192
Total Violations
64
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
La Plata
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
63
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 6 1998
1,1,1-Trichloroethane MR 3 1999
1,2,4-Trichlorobenzene MR 3 1999
Benzene MR 3 1999
2,4-D MR 3 1999
Atrazine MR 3 1999
Carbofuran MR 3 1999
Chlordane MR 3 1999
Dalapon MR 3 1999
ETHYLENE DIBROMIDE MR 3 1999
Toxaphene MR 3 1999
DICHLOROMETHANE MR 3 1999
Simazine MR 3 1999
1,2-Dichloropropane MR 3 1999
LASSO MR 3 1999
Carbon tetrachloride MR 3 1999
Di(2-ethylhexyl) phthalate MR 3 1999
Toluene MR 3 1999
Xylenes, Total MR 3 1999
Vinyl chloride MR 3 1999

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 Durango 9R Sunnyside Elementary School.

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 CO0234820 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 Durango 9R Sunnyside Elementary School 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
1999 1,1,1-Trichloroethane MR 3 SDWIS / CO0234820 / 2981
1999 1,2,4-Trichlorobenzene MR 3 SDWIS / CO0234820 / 2378
1999 Benzene MR 3 SDWIS / CO0234820 / 2990
1999 2,4-D MR 3 SDWIS / CO0234820 / 2105
1999 Atrazine MR 3 SDWIS / CO0234820 / 2050
1999 Carbofuran MR 3 SDWIS / CO0234820 / 2046
1999 Chlordane MR 3 SDWIS / CO0234820 / 2959
1999 Dalapon MR 3 SDWIS / CO0234820 / 2031
1999 ETHYLENE DIBROMIDE MR 3 SDWIS / CO0234820 / 2946
1999 Toxaphene MR 3 SDWIS / CO0234820 / 2020
1999 DICHLOROMETHANE MR 3 SDWIS / CO0234820 / 2964
1999 Simazine MR 3 SDWIS / CO0234820 / 2037
1999 1,2-Dichloropropane MR 3 SDWIS / CO0234820 / 2983
1999 LASSO MR 3 SDWIS / CO0234820 / 2051
1999 Carbon tetrachloride MR 3 SDWIS / CO0234820 / 2982

How Durango 9R Sunnyside Elementary School Compares

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

Metric Durango 9R Sunnyside Elementary School Colorado avg Federal benchmark
Total violations 64 108.9 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 192 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 Durango 9R Sunnyside Elementary School water safe to drink?
Durango 9R Sunnyside Elementary School (PWS ID: CO0234820) has 64 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 192 people using Groundwater sources.
How many people does Durango 9R Sunnyside Elementary School serve?
Durango 9R Sunnyside Elementary School serves 192 people in Durango, Colorado. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does Durango 9R Sunnyside Elementary School have?
Durango 9R Sunnyside Elementary School has 64 total violations: 0 health-based violations (MCL exceedances or treatment failures), 63 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Durango 9R Sunnyside Elementary School water?
No PFAS testing data is available for Durango 9R Sunnyside Elementary School under the EPA's UCMR5 monitoring program.
What water source does Durango 9R Sunnyside Elementary School use?
Durango 9R Sunnyside Elementary School uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.