Revised Total Coliform Rule (RTCR) violations in Idaho
630 active public water systems in Idaho had a Revised Total Coliform Rule (RTCR) violation in the past three years, 152 of them in the latest quarter of EPA's data. What Revised Total Coliform Rule (RTCR) is and why it matters.
Systems with a Revised Total Coliform Rule (RTCR) violation
Latest quarter first, then largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Nezperce Water Dept Lewis County |
460 | 2 | 0 | |
|
Cave Bay Community System Kootenai County |
458 | 6 | 1 | |
|
Idoc Mountain View Transformation Center Ada County |
456 | 4 | 1 | |
|
Itd Cotterell P O E Cassia County |
450 | 2 | 0 | |
|
Itd Juniper Rest Area Oneida County |
450 | 2 | 0 | |
|
Lds Riverton Church Bingham County |
450 | 1 | 0 | |
|
Mid Valley Water Company LLC Blaine County |
450 | 1 | 0 | |
|
Malta Schools Cassia County |
440 | 4 | 1 | |
|
Idoc North Idaho Correctional Institute Idaho County |
425 | 1 | 0 | |
|
Clifton City of Franklin County |
413 | 5 | 2 | |
|
Idpr Heyburn SP Chatcolet CG Benewah County |
400 | 1 | 0 | |
|
Pebble Creek Ski Area Bannock County |
400 | 3 | 1 | |
|
Pine Ridge Water and Sewer Dist Idaho County |
390 | 4 | 1 | |
|
Midway Elementary School Jefferson County |
384 | 3 | 1 | |
|
Lds Church View Cassia County |
383 | 2 | 1 | |
|
Unit 3 Water Assn Jerome County |
350 | 7 | 2 | |
|
Lansing Meadows Canyon County |
320 | 2 | 1 | |
|
Chase Crossing Canyon County |
306 | 2 | 0 | |
|
Lds Priest River Bonner County |
304 | 4 | 1 | |
|
Camp Grizzly Boy Scouts Latah County |
300 | 2 | 0 | |
|
Cedar Butte Subdivision Madison County |
300 | 2 | 1 | |
|
Lds Church Eagle #21 Eagle · Ada County |
300 | 2 | 0 | |
|
Frazier Industrial Company Idaho Falls · Bonneville County |
300 | 1 | 0 | |
|
Lds Church Kuna Blackcat Ada County |
300 | 2 | 1 | |
|
Lds Snake River Seminary Bldg Bingham County |
300 | 3 | 1 | |
|
Bsa Little Lemhi Scout Camp Bonneville County |
300 | 2 | 1 | |
|
Yellowstone Chevron Bonneville County |
300 | 1 | 0 | |
|
Evergreen Mobile Park Canyon County |
284 | 5 | 2 | |
|
Idjc Juvenile Corrections Center Fremont County |
280 | 4 | 1 | |
|
North Tomer Butte W&s District Latah County |
259 | 3 | 1 | |
|
Bovill Water Dept Latah County |
256 | 1 | 0 | |
|
Lds Church Albion Cassia County |
253 | 1 | 0 | |
|
Stites City of Idaho County |
253 | 3 | 0 | |
|
Wapello Elementary School Bingham County |
253 | 3 | 1 | |
|
Camp Ee-De-How Valley County |
250 | 1 | 0 | |
|
Castle Mountain Creeks Owners Assn Boise County |
250 | 2 | 0 | |
|
Country Life Estates Bonneville County |
250 | 5 | 2 | |
|
Pocatello KOA LLC Bannock County |
250 | 2 | 1 | |
|
Shotgun Cherokee Subd 5 Fremont County |
245 | 5 | 2 | |
|
Riverbend Meats Bonneville County |
242 | 3 | 0 | |
|
Kanaka Rapids Ranch Water System INC Twin Falls County |
240 | 5 | 1 | |
|
Indian Village Canyon County |
225 | 4 | 2 | |
|
Lds Camp Pasa la Coma Bingham County |
225 | 1 | 0 | |
|
Mountain Village Lodge and Restaurant Stanley · Custer County |
225 | 2 | 1 | |
|
Woodville Bingham County |
225 | 2 | 0 | |
|
Bruneau Water and Sewer Dist Owyhee County |
220 | 3 | 1 | |
|
Camp Lutherhaven Kootenai County |
220 | 1 | 0 | |
|
Karcher Ranchette Water Corp Canyon County |
213 | 5 | 2 | |
|
Aspen Ridge Subd Fremont County |
204 | 6 | 1 | |
|
Black Sands Resort Owyhee County |
200 | 2 | 1 |
About this data
A system is counted once if any of its violations in the past three years involved Revised Total Coliform Rule (RTCR), including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Revised Total Coliform Rule (RTCR) 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 Idaho 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.