RESERVATION ROAD
PWS ID: 105300058 · WELLPINIT, 10 99040
RESERVATION ROAD serves 110 people in WELLPINIT, 10 using Groundwater water sources. It has 342 recorded EPA violations, including 12 health-based violations. No PFAS contamination was detected in UCMR5 testing.
Water Quality Snapshot: RESERVATION ROAD
RESERVATION ROAD is a native american-owned community water system that delivers drinking water to 110 residents in WELLPINIT, 10 through 22 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 342 total violations for this system , of which 12 (4%) 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 73 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 10, EPA tracks 158 public water systems serving 142,574 people, with 31,953 cumulative violations and 1,055 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 202.2 violations. RESERVATION ROAD's 342 violations sit above the 10 average. Statewide, 2 of 10 UCMR5-tested systems have reported PFAS detections (20%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 22
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 298
- Treatment Tech Violations
- 6
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 73 | 2016 |
| Consumer Confidence Rule | Other | 20 | 2019 |
| Nitrate | MR | 12 | 2016 |
| Gross Alpha, Excl. Radon and U | MR | 10 | 2014 |
| Revised Total Coliform Rule | MON | 9 | 2022 |
| Groundwater Rule | TT | 5 | 2025 |
| Revised Total Coliform Rule | RPT | 5 | 2023 |
| Coliform (TCR) | MCL | 5 | 2015 |
| cis-1,2-Dichloroethylene | MR | 4 | 2011 |
| p-Dichlorobenzene | MR | 4 | 2011 |
| o-Dichlorobenzene | MR | 4 | 2011 |
| trans-1,2-Dichloroethylene | MR | 4 | 2011 |
| Benzene | MR | 4 | 2011 |
| Carbon tetrachloride | MR | 4 | 2011 |
| CHLOROBENZENE | MR | 4 | 2011 |
| Styrene | MR | 4 | 2011 |
| Tetrachloroethylene | MR | 4 | 2011 |
| Xylenes, Total | MR | 4 | 2011 |
| 1,1-Dichloroethylene | MR | 4 | 2011 |
| 1,1,2-Trichloroethane | MR | 4 | 2011 |
| 1,2-Dichloroethane | MR | 4 | 2011 |
| 1,2-Dichloropropane | MR | 4 | 2011 |
| E. COLI | MR | 4 | 2019 |
| Lead and Copper Rule | MR | 4 | 2019 |
| DICHLOROMETHANE | MR | 4 | 2011 |
| Vinyl chloride | MR | 4 | 2011 |
| Trichloroethylene | MR | 4 | 2011 |
| Toluene | MR | 4 | 2011 |
| Ethylbenzene | MR | 4 | 2011 |
| 1,2,4-Trichlorobenzene | MR | 4 | 2011 |
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 RESERVATION ROAD.
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 105300058 on SDWISSource: EPA SDWIS Federal Reports Search
10 Drinking Water Authority
10'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 SDWISViolation 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 | Groundwater Rule | TT | 5 | SDWIS / 105300058 / 0700 |
| 2025 | Public Notice | Other | 2 | SDWIS / 105300058 / 7500 |
| 2024 | LEAD AND COPPER RULE REVISIONS | RPT | 1 | SDWIS / 105300058 / 5200 |
| 2024 | LEAD AND COPPER RULE REVISIONS | TT | 1 | SDWIS / 105300058 / 5200 |
| 2023 | Revised Total Coliform Rule | RPT | 5 | SDWIS / 105300058 / 8000 |
| 2022 | Revised Total Coliform Rule | MON | 9 | SDWIS / 105300058 / 8000 |
| 2021 | Revised Total Coliform Rule | MCL | 1 | SDWIS / 105300058 / 8000 |
| 2019 | Consumer Confidence Rule | Other | 20 | SDWIS / 105300058 / 7000 |
| 2019 | E. COLI | MR | 4 | SDWIS / 105300058 / 3014 |
| 2019 | Lead and Copper Rule | MR | 4 | SDWIS / 105300058 / 5000 |
| 2016 | Coliform (TCR) | MR | 73 | SDWIS / 105300058 / 3100 |
| 2016 | Nitrate | MR | 12 | SDWIS / 105300058 / 1040 |
| 2015 | Coliform (TCR) | MCL | 5 | SDWIS / 105300058 / 3100 |
| 2014 | Gross Alpha, Excl. Radon and U | MR | 10 | SDWIS / 105300058 / 4000 |
| 2014 | Combined Radium (-226 and -228) | MR | 2 | SDWIS / 105300058 / 4010 |
How RESERVATION ROAD Compares
Cross-reference this system's record against state averages and the federal MCL framework for context.
| Metric | RESERVATION ROAD | 10 avg | Federal benchmark |
|---|---|---|---|
| Total violations | 342 | 202.2 | SDWA compliance — any non-zero count is a recorded breach |
| Health-based violations | 12 | 6.7 | Indicates a contaminant exceeded a federal MCL |
| PFAS detection | None | 20% | EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt |
| Population served | 110 | 902 | Sizing context for compliance burden |
Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 158 regulated public water systems in 10.
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 |
| Nitrate (as N) | 10 mg/L | Acute health risk for infants |
Frequently Asked Questions
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Read our methodology — how this data is sourced, computed, and verified.