TTHM (Total Trihalomethanes) violations in Nebraska
3 active public water systems in Nebraska had a TTHM (Total Trihalomethanes) violation in the past three years. What TTHM (Total Trihalomethanes) is and why it matters.
Systems with a TTHM (Total Trihalomethanes) violation
Latest quarter first, then largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Cedar-Knox Rural Water Project Crofton · Cedar County |
2,500 | 2 | 1 | |
|
North Bend, City of North Bend · Dodge County |
1,279 | 1 | 0 | |
|
Walthill, Village of County |
780 | 2 | 0 |
About this data
A system is counted once if any of its violations in the past three years involved TTHM (Total Trihalomethanes), including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not TTHM (Total Trihalomethanes) alone.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Nebraska records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet.