Box Elder County · Utah · EPA SDWIS 2026Q2
Tremonton Water Quality
What's in Tremonton's water
Atrazine
Violation on record
2 EPA violations on record (most recent 2023). Atrazine is one of the most widely used weed killers and reaches water through agricultural runoff. It is an endocrine disruptor associated with reproductive and developmental effects, and concentrations tend to spike seasonally after application. It is most common in farming regions.
PFOA
Violation on record
2 EPA violations on record (most recent 2023). PFOA is a long-lived "forever chemical" once used to make nonstick and stain-resistant products. It builds up in the body over time and is associated with certain cancers, immune effects, and developmental harm. EPA finalized a strict drinking-water limit for it in 2024.
Total Trihalomethanes (TTHM)
Violation on record
1 EPA violation on record (most recent 2025). TTHM form when chlorine used to disinfect water reacts with natural organic matter. Long-term exposure has been linked to increased cancer risk and to harm in pregnancy. Levels often rise in warmer months and in systems with more organic material.
Haloacetic Acids (HAA5)
Violation on record
1 EPA violation on record (most recent 2025). HAA5 are a second group of chlorine disinfection byproducts formed when chlorine reacts with organic matter in water. Long-term exposure is associated with increased cancer risk and possible developmental effects. They commonly occur together with trihalomethanes.
Water hardness
very hard
Tremonton's water is very hard. Hardness isn't a health risk, but it drives scale on fixtures and water heaters, shortens appliance life, and leaves skin and hair dry.
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TREMONTON CITY
- Population served
- 13,000
- PWSID
- UTAH02011
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