Water quality in Heise, Idaho
Heise is in Jefferson County. 62 active public water systems serve the county; 41 had an EPA violation in the past three years.
Most likely your provider
Other community water systems in Jefferson County
16 systems, largest first| System | Serves | Status | Rules violated, 3 yr |
|---|---|---|---|
| Roberts City of |
680 | 2 | |
| Ririe City of |
656 | 0 | |
| Morning View Water Company |
459 | 4 | |
| Country Squire Estates |
450 | 1 | |
| M and T Water and Sewer Dist |
358 | 1 | |
| Pepperwood Crossing/rocky Mnt Utilities |
336 | 1 | |
| Jefferson Greens Estates |
193 | 0 | |
| Sunbrook Estates Div # 2 |
144 | 1 | |
| Rolling Hills Acres |
141 | 3 | |
| Jenco Acres |
105 | 1 | |
| Bear Island Water Assn |
100 | 1 | |
| Elk Meadows |
100 | 0 | |
| Parkwood Acres Water Company |
88 | 2 | |
| Ireland Acres 1 |
54 | 0 | |
| Hillman Trailer Court |
45 | 1 | |
| Country Living Center Rigby |
30 | 2 |
Non-community systems in Jefferson County (45: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
About this data
Water systems are matched to Jefferson County, largest first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility.
Town locations and ZIP code areas come from U.S. Census Bureau 2020 files.
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. Retrieved from ECHO on Oct 11, 2026.