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HOOPER WATER IMPROVEMENT DISTRICT

PWS ID: UTAH29006 · PLAIN CITY, Utah 84404

HOOPER WATER IMPROVEMENT DISTRICT serves 20,820 people in PLAIN CITY, Utah using Groundwater water sources. It has 71 recorded EPA violations, including 6 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (1 compound found).

Water Quality Snapshot: HOOPER WATER IMPROVEMENT DISTRICT

HOOPER WATER IMPROVEMENT DISTRICT is a local-owned community water system that delivers drinking water to 20,820 residents in PLAIN CITY, Utah (Weber County) through 7,223 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 71 total violations for this system , of which 6 (8%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 40 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 Revised Total Coliform Rule, recorded in 9 violations (RPT). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 19.5 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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. HOOPER WATER IMPROVEMENT DISTRICT's 71 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.

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
20,820
Total Violations
71
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
7,223
County
Weber
School/Daycare
No
MCL Violations
3
Monitoring Violations
40
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule RPT 9 2017
Surface Water Treatment Rule MR 9 2017
Coliform (TCR) MR 5 1994
Lead and Copper Rule MR 4 2019
TTHM MR 3 2012
Total Haloacetic Acids (HAA5) MR 3 2012
Groundwater Rule TT 3 2017
Revised Total Coliform Rule Other 3 2017
Coliform (TCR) MCL 3 2002
Coliform (TCR) Other 2 1994
Nitrate MR 1 1979
Benzene MR 1 1989
Chromium MR 1 1979
1,1,1-Trichloroethane MR 1 1989
Vinyl chloride MR 1 1989
Trichloroethylene MR 1 1989
1,1-Dichloroethylene MR 1 1989
Mercury MR 1 1979
Barium MR 1 1979
Carbon tetrachloride MR 1 1989
Fluoride MR 1 1979
p-Dichlorobenzene MR 1 1989
Arsenic MR 1 1979
1,2-Dichloroethane MR 1 1989
Selenium MR 1 1979
Cadmium MR 1 1979

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
NEtFOSAA 9/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 9/11/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFHpA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 9/11/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFMBA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/11/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 9/11/2023 <0.008 µg/L 0.008 µg/L Not Detected
11Cl-PF3OUdS 9/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 9/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 9/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 9/11/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFUnA 9/11/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 9/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 9/11/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFBA 9/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMPA 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 9/11/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 9/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 9/11/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 9/11/2023 <0.008 µg/L 0.008 µg/L Not Detected
ADONA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/11/2023 <0.02 µg/L 0.02 µg/L Not Detected
9Cl-PF3ONS 9/11/2023 <0.002 µg/L 0.002 µg/L Not Detected

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 HOOPER WATER IMPROVEMENT DISTRICT.

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 UTAH29006 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 Lead and Copper Rule MR 4 SDWIS / UTAH29006 / 5000
2017 Revised Total Coliform Rule RPT 9 SDWIS / UTAH29006 / 8000
2017 Surface Water Treatment Rule MR 9 SDWIS / UTAH29006 / 0200
2017 Groundwater Rule TT 3 SDWIS / UTAH29006 / 0700
2017 Revised Total Coliform Rule Other 3 SDWIS / UTAH29006 / 8000
2012 TTHM MR 3 SDWIS / UTAH29006 / 2950
2012 Total Haloacetic Acids (HAA5) MR 3 SDWIS / UTAH29006 / 2456
2002 Coliform (TCR) MCL 3 SDWIS / UTAH29006 / 3100
1994 Coliform (TCR) MR 5 SDWIS / UTAH29006 / 3100
1994 Coliform (TCR) Other 2 SDWIS / UTAH29006 / 3100
1989 Benzene MR 1 SDWIS / UTAH29006 / 2990
1989 1,1,1-Trichloroethane MR 1 SDWIS / UTAH29006 / 2981
1989 Vinyl chloride MR 1 SDWIS / UTAH29006 / 2976
1989 Trichloroethylene MR 1 SDWIS / UTAH29006 / 2984
1989 1,1-Dichloroethylene MR 1 SDWIS / UTAH29006 / 2977

How HOOPER WATER IMPROVEMENT DISTRICT Compares

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

Metric HOOPER WATER IMPROVEMENT DISTRICT Utah avg Federal benchmark
Total violations 71 159 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 6 10 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 70.5% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 20,820 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 HOOPER WATER IMPROVEMENT DISTRICT water safe to drink? ▼
HOOPER WATER IMPROVEMENT DISTRICT (PWS ID: UTAH29006) has 71 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 20,820 people using Groundwater sources.
How many people does HOOPER WATER IMPROVEMENT DISTRICT serve? ▼
HOOPER WATER IMPROVEMENT DISTRICT serves 20,820 people in PLAIN CITY, Utah. It is a Local-owned system using Groundwater water sources with 7,223 service connections.
What type of violations does HOOPER WATER IMPROVEMENT DISTRICT have? ▼
HOOPER WATER IMPROVEMENT DISTRICT has 71 total violations: 6 health-based violations (MCL exceedances or treatment failures), 40 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in HOOPER WATER IMPROVEMENT DISTRICT water? ▼
Yes. UCMR5 testing detected 1 PFAS compound in HOOPER WATER IMPROVEMENT DISTRICT's water supply: lithium. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does HOOPER WATER IMPROVEMENT DISTRICT use? ▼
HOOPER WATER IMPROVEMENT DISTRICT 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). 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