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Non-Transient Non-Community Water System · PWS 105311105

Angel of the Winds

Arlington, EPA Region 10 — Tribal Water Systems 98223 - drinking water served from groundwater sources to 2,303 people, tracked in EPA SDWIS and UCMR5.

2,303
People served
308
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 308 drinking-water violations at Angel of the Winds.

308
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
2,303
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Angel of the Winds

Angel of the Winds is a native american-owned non-transient non-community water system that delivers drinking water to 2,303 residents in Arlington, EPA Region 10 — Tribal Water Systems through 6 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 308 total violations for this system , of which 1 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 298 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 Coliform (TCR), recorded in 34 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

EPA Region 10 — Tribal Water Systems has thousands of regulated public water systems tracked by EPA under the Safe Drinking Water Act.

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
2,303
Total Violations
308
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Native American
Connections
6
School/Daycare
No
MCL Violations
0
Monitoring Violations
298
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 34 2014
Chlorine MR 14 2025
DICHLOROMETHANE MR 10 2024
o-Dichlorobenzene MR 10 2024
p-Dichlorobenzene MR 10 2024
1,1-Dichloroethylene MR 10 2024
trans-1,2-Dichloroethylene MR 10 2024
Trichloroethylene MR 10 2024
Carbon tetrachloride MR 10 2024
1,2-Dichloropropane MR 10 2024
1,1,2-Trichloroethane MR 10 2024
Benzene MR 10 2024
Toluene MR 10 2024
Styrene MR 10 2024
1,2,4-Trichlorobenzene MR 10 2024
cis-1,2-Dichloroethylene MR 10 2024
1,2-Dichloroethane MR 10 2024
Xylenes, Total MR 10 2024
Vinyl chloride MR 10 2024
1,1,1-Trichloroethane MR 10 2024
CHLOROBENZENE MR 10 2024
Ethylbenzene MR 10 2024
Tetrachloroethylene MR 10 2024
Consumer Confidence Rule Other 3 2001
Nitrate MR 3 2014
Lead and Copper Rule MR 3 2016
Di(2-ethylhexyl) phthalate MR 2 2024
Revised Total Coliform Rule RPT 2 2025
CYANIDE MR 1 2008
Barium MR 1 2008

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 Angel of the Winds.

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 105311105 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

EPA Region 10 — Tribal Water Systems Drinking Water Authority

EPA Region 10 — Tribal Water Systems's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find 10 regulator via EPA SDWIS

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 Chlorine MR 14 SDWIS / 105311105 / 0999
2025 Revised Total Coliform Rule RPT 2 SDWIS / 105311105 / 8000
2025 TTHM MR 1 SDWIS / 105311105 / 2950
2025 Total Haloacetic Acids (HAA5) MR 1 SDWIS / 105311105 / 2456
2024 DICHLOROMETHANE MR 10 SDWIS / 105311105 / 2964
2024 o-Dichlorobenzene MR 10 SDWIS / 105311105 / 2968
2024 p-Dichlorobenzene MR 10 SDWIS / 105311105 / 2969
2024 1,1-Dichloroethylene MR 10 SDWIS / 105311105 / 2977
2024 trans-1,2-Dichloroethylene MR 10 SDWIS / 105311105 / 2979
2024 Trichloroethylene MR 10 SDWIS / 105311105 / 2984
2024 Carbon tetrachloride MR 10 SDWIS / 105311105 / 2982
2024 1,2-Dichloropropane MR 10 SDWIS / 105311105 / 2983
2024 1,1,2-Trichloroethane MR 10 SDWIS / 105311105 / 2985
2024 Benzene MR 10 SDWIS / 105311105 / 2990
2024 Toluene MR 10 SDWIS / 105311105 / 2991

How Angel of the Winds Compares

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

Metric Angel of the Winds EPA Region 10 — Tribal Water Systems avg Federal benchmark
Total violations 308 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 1 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 2,303 - Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across all regulated public water systems in EPA Region 10 — Tribal Water Systems.

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 Angel of the Winds water safe to drink?
Angel of the Winds (PWS ID: 105311105) has 308 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,303 people using Groundwater sources.
How many people does Angel of the Winds serve?
Angel of the Winds serves 2,303 people in Arlington, EPA Region 10 — Tribal Water Systems. It is a Native American-owned system using Groundwater water sources with 6 service connections.
What type of violations does Angel of the Winds have?
Angel of the Winds has 308 total violations: 1 health-based violations (MCL exceedances or treatment failures), 298 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Angel of the Winds water?
No PFAS testing data is available for Angel of the Winds under the EPA's UCMR5 monitoring program.
What water source does Angel of the Winds use?
Angel of the Winds 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.