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Tap water quality report

Tremonton City

EPA monitoring tested this supplier for 104 contaminants and detected 18. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

104
contaminants tested
18
detected
13,000
people served
0
health-based violations
Utah rankingsLead in UtahPFAS in Utah
Water source
Ground water
Ownership
Local government
Counties served
Box Elder

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

0
health-based violations
195
violations on file
0
still open
ViolationTypeStatusPeriod
MR Monitoring Archived 2025-01-01 → 2025-12-31
MR Monitoring Archived 2025-01-01 → 2025-12-31
MR Monitoring Archived 2025-01-01 → 2025-12-31
MR Monitoring Archived 2025-01-01 → 2025-12-31
MR Monitoring Resolved 2023-01-01 → 2025-12-31
MR Monitoring Resolved 2023-01-01 → 2025-12-31
MR Monitoring Resolved 2023-01-01 → 2025-12-31
MR Monitoring Resolved 2023-01-01 → 2025-12-31
MR Monitoring Resolved 2023-01-01 → 2025-12-31
MR Monitoring Resolved 2023-01-01 → 2025-12-31

Other contaminants detected

Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of this system's samples — over 100% is worth reading, but is not by itself a violation. Where a single sample came in higher than that percentile, it is noted under the bar. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Nitrate
5500 µg/L 55%
of the EPA limit 10000 µg/L
worst single sample: 5600 µg/L
64/64 SYR4 2012–2019
Copper
202 µg/L 16%
of the EPA limit 1300 µg/L
worst single sample: 256 µg/L
40/40 SYR4 2014–2017
Lead
2.62 µg/L 17%
of the EPA limit 15 µg/L
worst single sample: 2.8 µg/L
30/40 SYR4 2014–2017
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
 23/23 LCR 2025
Gross Beta Particle Activity
9.72 pCi/L
No EPA limit set
worst single sample: 11 pCi/L
9/11 SYR4 2012–2019
Arsenic
3.98 µg/L 40%
of the EPA limit 10 µg/L
worst single sample: 4.4 µg/L
8/8 SYR4 2012–2019
Barium
108.32 µg/L 5.4%
of the EPA limit 2000 µg/L
worst single sample: 110 µg/L
8/8 SYR4 2012–2019
Bromoform
4.49 µg/L
No EPA limit set
worst single sample: 4.7 µg/L
8/10 SYR4 2013–2019
Fluoride
265 µg/L 6.6%
of the EPA limit 4000 µg/L
worst single sample: 300 µg/L
8/8 SYR4 2012–2019
Gross Alpha, Excl. Radon And U
5.16 pCi/L 34%
of the EPA limit 15 pCi/L
worst single sample: 6 pCi/L
8/10 SYR4 2012–2019
Selenium
3.525 µg/L 7%
of the EPA limit 50 µg/L
worst single sample: 4.4 µg/L
8/8 SYR4 2012–2019
Dibromochloromethane
1.8 µg/L
No EPA limit set
 6/10 SYR4 2013–2019
TTHM
5.45 µg/L 6.8%
of the EPA limit 80 µg/L
worst single sample: 5.5 µg/L
6/6 SYR4 2014–2019
Dibromoacetic Acid
2.185 µg/L
No EPA limit set
worst single sample: 2.2 µg/L
4/6 SYR4 2014–2019
Lithium
61 µg/L
No EPA limit set
 4/4 UCMR-5 2024
Bromodichloromethane
0.6000 µg/L
No EPA limit set
 2/10 SYR4 2013–2019
Combined Radium (-226 And -228)
2.5805 pCi/L 52%
of the EPA limit 5 pCi/L
worst single sample: 2.7 pCi/L
2/2 SYR4 2013–2014
Total Haloacetic Acids (HAA5)
2.195 µg/L 3.7%
of the EPA limit 60 µg/L
worst single sample: 2.2 µg/L
2/6 SYR4 2014–2019
86 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaAntimony, TotalAtrazineBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalChlorobenzeneCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneChloroformChromiumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDichloroacetic AcidDinosebEndrinEthylbenzeneHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorMonobromoacetic AcidMonochloroacetic AcidNetfosaaNfdhaNmefosaaOxamylPfbaPFBSPfdaPfdoaPfeesaPfhpaPfhpsPfhxaPFHXSPfmbaPfmpaPFNAPFOAPFOSPfpeaPfpesPftaPftrdaPfunaPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroacetic AcidTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
MACKLEY, CARL
Phone
435-257-9472
Email
[email protected]

Frequently asked questions about Tremonton City

Is Tremonton City tap water safe to drink?

EPA monitoring detected 18 contaminants in Tremonton City's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.

What contaminants were detected in Tremonton City's water?

EPA monitoring detected Nitrate, Copper, Lead, Lead, Gross Beta Particle Activity, and others. The full list with the level and data source for each is above.

How many people does Tremonton City serve?

Tremonton City reports serving 13,000 people in Utah, per its EPA record.

Has Tremonton City had any water quality violations?

The EPA has 195 violations on file for Tremonton City, of which 0 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.