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Community Water System · PWS UTAH06019

North Salt Lake City Water System

North Salt Lake, Utah 84054 - drinking water served from surface water sources to 18,655 people, tracked in EPA SDWIS and UCMR5.

18,655
People served
509
EPA violations
13
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 509 drinking-water violations at North Salt Lake City Water System, 3% of them health-based - above the Utah per-system average.

509
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
18,655
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: North Salt Lake City Water System

North Salt Lake City Water System is a local-owned community water system that delivers drinking water to 18,655 residents in North Salt Lake, Utah (Davis County) through 6,881 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 509 total violations for this system , of which 13 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 482 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Nitrate, recorded in 21 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

North Salt Lake City Water System's 509 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
18,655
Total Violations
509
Health-Based Violations
13
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
6,881
County
Davis
School/Daycare
No
MCL Violations
13
Monitoring Violations
482
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 21 2012
Coliform (TCR) MCL 13 2007
1,2,4-Trichlorobenzene MR 13 2018
cis-1,2-Dichloroethylene MR 13 2018
Xylenes, Total MR 13 2018
o-Dichlorobenzene MR 13 2018
1,1-Dichloroethylene MR 13 2018
trans-1,2-Dichloroethylene MR 13 2018
1,2-Dichloroethane MR 13 2018
Carbon tetrachloride MR 13 2018
1,1,2-Trichloroethane MR 13 2018
Benzene MR 13 2018
Styrene MR 13 2018
DICHLOROMETHANE MR 13 2018
p-Dichlorobenzene MR 13 2018
1,1,1-Trichloroethane MR 13 2018
Tetrachloroethylene MR 13 2018
Toluene MR 13 2018
Ethylbenzene MR 13 2018
Vinyl chloride MR 13 2018
1,2-Dichloropropane MR 13 2018
Trichloroethylene MR 13 2018
CHLOROBENZENE MR 13 2018
Surface Water Treatment Rule MR 9 2017
Arsenic MR 5 2001
Barium MR 5 2001
Cadmium MR 5 2001
Chromium MR 5 2001
Mercury MR 5 2001
Fluoride MR 5 2001

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 406 samples detected PFAS.

Contaminant Date Result MRL Status
11Cl-PF3OUdS 8/8/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 8/8/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 8/8/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 8/8/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFTA 8/8/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 8/8/2023 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 8/8/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 8/8/2023 <6.00 ppt 6.00 ppt Not Detected
PFDoA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 8/8/2023 <2.00 ppt 2.00 ppt Not Detected
8:2 FTS 8/8/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpS 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 8/8/2023 <20.00 ppt 20.00 ppt Not Detected
PFBS 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 8/8/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeS 8/8/2023 <4.00 ppt 4.00 ppt Not Detected
4:2 FTS 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 8/8/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 8/8/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 8/8/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 8/8/2023 <2.00 ppt 2.00 ppt Not Detected
PFPeA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 8/8/2023 <5.00 ppt 5.00 ppt Not Detected
PFMBA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 8/8/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 8/8/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 8/8/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 8/8/2023 <2.00 ppt 2.00 ppt Not Detected
PFBS 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/8/2023 <4.00 ppt 4.00 ppt Not Detected
HFPO-DA 8/8/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 8/8/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 8/8/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/8/2023 <3.00 ppt 3.00 ppt 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 North Salt Lake 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 UTAH06019 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
2024 Consumer Confidence Rule Other 3 SDWIS / UTAH06019 / 7000
2021 Total Haloacetic Acids (HAA5) MR 3 SDWIS / UTAH06019 / 2456
2021 TTHM MR 3 SDWIS / UTAH06019 / 2950
2018 1,2,4-Trichlorobenzene MR 13 SDWIS / UTAH06019 / 2378
2018 cis-1,2-Dichloroethylene MR 13 SDWIS / UTAH06019 / 2380
2018 Xylenes, Total MR 13 SDWIS / UTAH06019 / 2955
2018 o-Dichlorobenzene MR 13 SDWIS / UTAH06019 / 2968
2018 1,1-Dichloroethylene MR 13 SDWIS / UTAH06019 / 2977
2018 trans-1,2-Dichloroethylene MR 13 SDWIS / UTAH06019 / 2979
2018 1,2-Dichloroethane MR 13 SDWIS / UTAH06019 / 2980
2018 Carbon tetrachloride MR 13 SDWIS / UTAH06019 / 2982
2018 1,1,2-Trichloroethane MR 13 SDWIS / UTAH06019 / 2985
2018 Benzene MR 13 SDWIS / UTAH06019 / 2990
2018 Styrene MR 13 SDWIS / UTAH06019 / 2996
2018 DICHLOROMETHANE MR 13 SDWIS / UTAH06019 / 2964

How North Salt Lake City Water System Compares

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

Metric North Salt Lake City Water System Utah avg Federal benchmark
Total violations 509 159 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 13 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 18,655 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 North Salt Lake City Water System water safe to drink? ▼
North Salt Lake City Water System (PWS ID: UTAH06019) has 509 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 18,655 people using Surface Water sources.
How many people does North Salt Lake City Water System serve? ▼
North Salt Lake City Water System serves 18,655 people in North Salt Lake, Utah. It is a Local-owned system using Surface Water water sources with 6,881 service connections.
What type of violations does North Salt Lake City Water System have? ▼
North Salt Lake City Water System has 509 total violations: 13 health-based violations (MCL exceedances or treatment failures), 482 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in North Salt Lake City Water System water? ▼
No. North Salt Lake City Water System was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does North Salt Lake City Water System use? ▼
North Salt Lake City Water System 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.
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.

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.