ARCHES NATIONAL PARK HQ
PWS ID: UTAH10021 · MOAB, Utah 84532
ARCHES NATIONAL PARK HQ serves 116 people in MOAB, Utah using Groundwater water sources. It has 124 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.
Water Quality Snapshot: ARCHES NATIONAL PARK HQ
ARCHES NATIONAL PARK HQ is a federal-owned community water system that delivers drinking water to 116 residents in MOAB, Utah (Grand County) through 10 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 124 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 114 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 Nitrate, recorded in 20 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 Utah, EPA tracks 1,068 public water systems serving 3,870,776 people, with 169,784 cumulative violations and 10,671 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 159 violations. ARCHES NATIONAL PARK HQ's 124 violations sit below the Utah average. Statewide, 91 of 129 UCMR5-tested systems have reported PFAS detections (70.5%). 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
- Federal
- Connections
- 10
- County
- Grand
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 114
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 20 | 2024 |
| Radium-226 | MR | 6 | 2021 |
| Gross Alpha, Excl. Radon and U | MR | 6 | 2021 |
| Radium-228 | MR | 6 | 2021 |
| Consumer Confidence Rule | Other | 5 | 2023 |
| Coliform (TCR) | MR | 4 | 2011 |
| E. COLI | MR | 3 | 2011 |
| Surface Water Treatment Rule | MR | 3 | 2017 |
| 1,2,4-Trichlorobenzene | MR | 3 | 2021 |
| Xylenes, Total | MR | 3 | 2021 |
| DICHLOROMETHANE | MR | 3 | 2021 |
| p-Dichlorobenzene | MR | 3 | 2021 |
| 1,1-Dichloroethylene | MR | 3 | 2021 |
| trans-1,2-Dichloroethylene | MR | 3 | 2021 |
| 1,1,1-Trichloroethane | MR | 3 | 2021 |
| Carbon tetrachloride | MR | 3 | 2021 |
| Trichloroethylene | MR | 3 | 2021 |
| Tetrachloroethylene | MR | 3 | 2021 |
| Benzene | MR | 3 | 2021 |
| Toluene | MR | 3 | 2021 |
| Ethylbenzene | MR | 3 | 2021 |
| o-Dichlorobenzene | MR | 3 | 2021 |
| 1,1,2-Trichloroethane | MR | 3 | 2021 |
| 1,2-Dichloroethane | MR | 3 | 2021 |
| cis-1,2-Dichloroethylene | MR | 3 | 2021 |
| CHLOROBENZENE | MR | 3 | 2021 |
| 1,2-Dichloropropane | MR | 3 | 2021 |
| Vinyl chloride | MR | 3 | 2021 |
| Styrene | MR | 3 | 2021 |
| TTHM | MR | 1 | 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 ARCHES NATIONAL PARK HQ.
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 UTAH10021 on SDWISSource: EPA SDWIS Federal Reports Search
Utah Drinking Water Authority
Utah'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 UT 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 | TTHM | MR | 1 | SDWIS / UTAH10021 / 2950 |
| 2025 | Total Haloacetic Acids (HAA5) | MR | 1 | SDWIS / UTAH10021 / 2456 |
| 2024 | Nitrate | MR | 20 | SDWIS / UTAH10021 / 1040 |
| 2023 | Consumer Confidence Rule | Other | 5 | SDWIS / UTAH10021 / 7000 |
| 2021 | Radium-226 | MR | 6 | SDWIS / UTAH10021 / 4020 |
| 2021 | Gross Alpha, Excl. Radon and U | MR | 6 | SDWIS / UTAH10021 / 4000 |
| 2021 | Radium-228 | MR | 6 | SDWIS / UTAH10021 / 4030 |
| 2021 | 1,2,4-Trichlorobenzene | MR | 3 | SDWIS / UTAH10021 / 2378 |
| 2021 | Xylenes, Total | MR | 3 | SDWIS / UTAH10021 / 2955 |
| 2021 | DICHLOROMETHANE | MR | 3 | SDWIS / UTAH10021 / 2964 |
| 2021 | p-Dichlorobenzene | MR | 3 | SDWIS / UTAH10021 / 2969 |
| 2021 | 1,1-Dichloroethylene | MR | 3 | SDWIS / UTAH10021 / 2977 |
| 2021 | trans-1,2-Dichloroethylene | MR | 3 | SDWIS / UTAH10021 / 2979 |
| 2021 | 1,1,1-Trichloroethane | MR | 3 | SDWIS / UTAH10021 / 2981 |
| 2021 | Carbon tetrachloride | MR | 3 | SDWIS / UTAH10021 / 2982 |
How ARCHES NATIONAL PARK HQ Compares
Cross-reference this system's record against state averages and the federal MCL framework for context.
| Metric | ARCHES NATIONAL PARK HQ | Utah avg | Federal benchmark |
|---|---|---|---|
| Total violations | 124 | 159 | SDWA compliance — any non-zero count is a recorded breach |
| Health-based violations | 0 | 10 | Indicates a contaminant exceeded a federal MCL |
| PFAS detection | None | 70.5% | EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt |
| Population served | 116 | 3,624 | Sizing context for compliance burden |
Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,068 regulated public water systems in Utah.
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.