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Community Water System · PWS UTAH11013

New Castle Water Company

Newcastle, Utah 84756 - drinking water served from groundwater sources to 350 people, tracked in EPA SDWIS and UCMR5.

350
People served
317
EPA violations
7
Health-based
Untested
UCMR5 result

The verdict

EPA records 317 drinking-water violations at New Castle Water Company, 2% of them health-based - above the Utah per-system average.

317
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
350
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: New Castle Water Company

New Castle Water Company is a private-owned community water system that delivers drinking water to 350 residents in Newcastle, Utah (Iron County) through 126 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 317 total violations for this system , of which 7 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 279 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Nitrate, 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. Statewide, 91 of 129 UCMR5-tested systems have reported PFAS detections (70.5%).

New Castle Water Company's 317 violations sit above the Utah average.

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
350
Total Violations
317
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
126
County
Iron
School/Daycare
No
MCL Violations
4
Monitoring Violations
279
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 19 2018
Arsenic MR 9 2011
Barium MR 9 2011
Chromium MR 9 2011
Fluoride MR 9 2011
Mercury MR 9 2011
Selenium MR 9 2011
Cadmium MR 9 2011
Coliform (TCR) MR 8 2010
Thallium, Total MR 6 2011
Lead and Copper Rule MR 6 2013
Endrin MR 6 2011
BHC-GAMMA MR 6 2011
Methoxychlor MR 6 2011
Toxaphene MR 6 2011
Di(2-ethylhexyl) adipate MR 6 2011
Simazine MR 6 2011
Di(2-ethylhexyl) phthalate MR 6 2011
Picloram MR 6 2011
Dinoseb MR 6 2011
Atrazine MR 6 2011
LASSO MR 6 2011
Heptachlor MR 6 2011
Heptachlor epoxide MR 6 2011
2,4,5-TP MR 6 2011
HEXACHLOROBENZENE MR 6 2011
Benzo(a)pyrene MR 6 2011
Pentachlorophenol MR 6 2011
CYANIDE MR 6 2011
Nickel MR 6 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 New Castle Water Company.

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 UTAH11013 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
2019 Groundwater Rule TT 3 SDWIS / UTAH11013 / 0700
2018 Nitrate MR 19 SDWIS / UTAH11013 / 1040
2018 Revised Total Coliform Rule MON 3 SDWIS / UTAH11013 / 8000
2017 Consumer Confidence Rule Other 6 SDWIS / UTAH11013 / 7000
2017 Revised Total Coliform Rule Other 3 SDWIS / UTAH11013 / 8000
2013 Lead and Copper Rule MR 6 SDWIS / UTAH11013 / 5000
2011 Arsenic MR 9 SDWIS / UTAH11013 / 1005
2011 Barium MR 9 SDWIS / UTAH11013 / 1010
2011 Chromium MR 9 SDWIS / UTAH11013 / 1020
2011 Fluoride MR 9 SDWIS / UTAH11013 / 1025
2011 Mercury MR 9 SDWIS / UTAH11013 / 1035
2011 Selenium MR 9 SDWIS / UTAH11013 / 1045
2011 Cadmium MR 9 SDWIS / UTAH11013 / 1015
2011 Thallium, Total MR 6 SDWIS / UTAH11013 / 1085
2011 Endrin MR 6 SDWIS / UTAH11013 / 2005

How New Castle Water Company Compares

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

Metric New Castle Water Company Utah avg Federal benchmark
Total violations 317 159 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 7 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 350 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 (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 New Castle Water Company water safe to drink? ▼
New Castle Water Company (PWS ID: UTAH11013) has 317 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 350 people using Groundwater sources.
How many people does New Castle Water Company serve? ▼
New Castle Water Company serves 350 people in Newcastle, Utah. It is a Private-owned system using Groundwater water sources with 126 service connections.
What type of violations does New Castle Water Company have? ▼
New Castle Water Company has 317 total violations: 7 health-based violations (MCL exceedances or treatment failures), 279 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in New Castle Water Company water? ▼
No PFAS testing data is available for New Castle Water Company under the EPA's UCMR5 monitoring program.
What water source does New Castle Water Company use? ▼
New Castle Water Company 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.
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.

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.