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CASTLEDALE

PWS ID: UTAH08001 · CASTLEDALE, Utah 84513

CASTLEDALE serves 1,700 people in CASTLEDALE, Utah using Surface Water water sources. It has 149 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CASTLEDALE

CASTLEDALE is a local-owned community water system that delivers drinking water to 1,700 residents in CASTLEDALE, Utah (Emery County) through 677 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 149 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 136 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Nitrate, recorded in 10 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. CASTLEDALE's 149 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.

Population Served
1,700
Total Violations
149
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
677
County
Emery
School/Daycare
No
MCL Violations
0
Monitoring Violations
136
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 10 2009
Endrin MR 6 2001
BHC-GAMMA MR 6 2001
Toxaphene MR 6 2001
2,4,5-TP MR 6 2001
Methoxychlor MR 6 2001
2,4-D MR 6 2001
Di(2-ethylhexyl) adipate MR 3 2001
Simazine MR 3 2001
Di(2-ethylhexyl) phthalate MR 3 2001
Picloram MR 3 2001
Atrazine MR 3 2001
HEXACHLOROBENZENE MR 3 2001
Pentachlorophenol MR 3 2001
Total Polychlorinated Biphenyls (PCB) MR 3 2001
Chlordane MR 3 2001
Revised Total Coliform Rule Other 3 2017
OXAMYL MR 3 2001
Heptachlor epoxide MR 3 2001
LASSO MR 3 2001
Dinoseb MR 3 2001
Dalapon MR 3 2001
Heptachlor MR 3 2001
Benzo(a)pyrene MR 3 2001
Carbofuran MR 3 2001
Hexachlorocyclopentadiene MR 3 2001
Arsenic MR 2 1987
Cadmium MR 2 1987
Fluoride MR 2 1987
Mercury MR 2 1987

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 CASTLEDALE.

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 UTAH08001 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
2017 Revised Total Coliform Rule Other 3 SDWIS / UTAH08001 / 8000
2009 Nitrate MR 10 SDWIS / UTAH08001 / 1040
2003 1,2,4-Trichlorobenzene MR 1 SDWIS / UTAH08001 / 2378
2003 cis-1,2-Dichloroethylene MR 1 SDWIS / UTAH08001 / 2380
2003 Xylenes, Total MR 1 SDWIS / UTAH08001 / 2955
2003 DICHLOROMETHANE MR 1 SDWIS / UTAH08001 / 2964
2003 o-Dichlorobenzene MR 1 SDWIS / UTAH08001 / 2968
2003 1,1-Dichloroethylene MR 1 SDWIS / UTAH08001 / 2977
2003 trans-1,2-Dichloroethylene MR 1 SDWIS / UTAH08001 / 2979
2003 1,1,1-Trichloroethane MR 1 SDWIS / UTAH08001 / 2981
2003 1,2-Dichloropropane MR 1 SDWIS / UTAH08001 / 2983
2003 Benzene MR 1 SDWIS / UTAH08001 / 2990
2003 Toluene MR 1 SDWIS / UTAH08001 / 2991
2003 Lead and Copper Rule MR 1 SDWIS / UTAH08001 / 5000
2003 p-Dichlorobenzene MR 1 SDWIS / UTAH08001 / 2969

How CASTLEDALE Compares

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

Metric CASTLEDALE Utah avg Federal benchmark
Total violations 149 159 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 1,700 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 CASTLEDALE water safe to drink? ▼
CASTLEDALE (PWS ID: UTAH08001) has 149 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,700 people using Surface Water sources.
How many people does CASTLEDALE serve? ▼
CASTLEDALE serves 1,700 people in CASTLEDALE, Utah. It is a Local-owned system using Surface Water water sources with 677 service connections.
What type of violations does CASTLEDALE have? ▼
CASTLEDALE has 149 total violations: 0 health-based violations (MCL exceedances or treatment failures), 136 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CASTLEDALE water? ▼
No PFAS testing data is available for CASTLEDALE under the EPA's UCMR5 monitoring program.
What water source does CASTLEDALE use? ▼
CASTLEDALE uses Surface Water 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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