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PAROWAN CITY WATER SYSTEM

PWS ID: UTAH11010 · PAROWAN, Utah 84761

PAROWAN CITY WATER SYSTEM serves 3,000 people in PAROWAN, Utah using Groundwater water sources. It has 645 recorded EPA violations, including 1 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: PAROWAN CITY WATER SYSTEM

PAROWAN CITY WATER SYSTEM is a local-owned community water system that delivers drinking water to 3,000 residents in PAROWAN, Utah (Iron County) through 1,653 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 645 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 627 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 Atrazine, recorded in 19 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. PAROWAN CITY WATER SYSTEM's 645 violations sit above 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.

Population Served
3,000
Total Violations
645
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,653
County
Iron
School/Daycare
No
MCL Violations
0
Monitoring Violations
627
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Atrazine MR 19 2009
LASSO MR 19 2009
Dinoseb MR 19 2009
Hexachlorocyclopentadiene MR 19 2009
Heptachlor MR 19 2009
Carbofuran MR 19 2009
Endrin MR 18 2009
BHC-GAMMA MR 18 2009
Methoxychlor MR 18 2009
Toxaphene MR 18 2009
Dalapon MR 18 2009
OXAMYL MR 18 2009
Simazine MR 18 2009
Di(2-ethylhexyl) phthalate MR 18 2009
Picloram MR 18 2009
Heptachlor epoxide MR 18 2009
2,4-D MR 18 2009
Benzo(a)pyrene MR 18 2009
Pentachlorophenol MR 18 2009
2,4,5-TP MR 18 2009
Di(2-ethylhexyl) adipate MR 18 2009
HEXACHLOROBENZENE MR 18 2009
Chlordane MR 16 2009
Total Polychlorinated Biphenyls (PCB) MR 15 2009
Radium-226 MR 12 2018
Nitrate MR 10 2017
Gross Alpha, Excl. Radon and U MR 9 2017
Radium-228 MR 9 2017
Surface Water Treatment Rule MR 9 2017
1,2,4-Trichlorobenzene MR 6 2009

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 PAROWAN CITY WATER SYSTEM.

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 UTAH11010 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

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 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 Lead and Copper Rule MR 3 SDWIS / UTAH11010 / 5000
2025 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / UTAH11010 / 5200
2025 Consumer Confidence Rule Other 1 SDWIS / UTAH11010 / 7000
2024 Revised Total Coliform Rule MON 5 SDWIS / UTAH11010 / 8000
2018 Radium-226 MR 12 SDWIS / UTAH11010 / 4020
2017 Nitrate MR 10 SDWIS / UTAH11010 / 1040
2017 Gross Alpha, Excl. Radon and U MR 9 SDWIS / UTAH11010 / 4000
2017 Radium-228 MR 9 SDWIS / UTAH11010 / 4030
2017 Surface Water Treatment Rule MR 9 SDWIS / UTAH11010 / 0200
2014 Coliform (TCR) MR 4 SDWIS / UTAH11010 / 3100
2009 Atrazine MR 19 SDWIS / UTAH11010 / 2050
2009 LASSO MR 19 SDWIS / UTAH11010 / 2051
2009 Dinoseb MR 19 SDWIS / UTAH11010 / 2041
2009 Hexachlorocyclopentadiene MR 19 SDWIS / UTAH11010 / 2042
2009 Heptachlor MR 19 SDWIS / UTAH11010 / 2065

How PAROWAN CITY WATER SYSTEM Compares

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

Metric PAROWAN CITY WATER SYSTEM Utah avg Federal benchmark
Total violations 645 159 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 1 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 3,000 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

Is PAROWAN CITY WATER SYSTEM water safe to drink? ▼
PAROWAN CITY WATER SYSTEM (PWS ID: UTAH11010) has 645 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,000 people using Groundwater sources.
How many people does PAROWAN CITY WATER SYSTEM serve? ▼
PAROWAN CITY WATER SYSTEM serves 3,000 people in PAROWAN, Utah. It is a Local-owned system using Groundwater water sources with 1,653 service connections.
What type of violations does PAROWAN CITY WATER SYSTEM have? ▼
PAROWAN CITY WATER SYSTEM has 645 total violations: 1 health-based violations (MCL exceedances or treatment failures), 627 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in PAROWAN CITY WATER SYSTEM water? ▼
No PFAS testing data is available for PAROWAN CITY WATER SYSTEM under the EPA's UCMR5 monitoring program.
What water source does PAROWAN CITY WATER SYSTEM use? ▼
PAROWAN CITY WATER SYSTEM uses Groundwater 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.

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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.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial