Madison County Water Violations

Madison County in Montana has 45 active public water systems. Together, these systems have 26 health-based violations on record out of 870 total. Health-based violations indicate a contaminant exceeded EPA limits or required treatment was not performed.

Water SystemPopulation ServedSourceViolationsHealth-Based
Virginia City Water Dept 1,500 Groundwater 38 7
Galloups Slide Inn Inc 365 Groundwater 43 2
Driftwaters Resort 63 Groundwater 34 2
Trapper Springs Campground and Day Use 35 Groundwater 15 2
Lower Pioneer Mountain Water System 350 Groundwater 7 2
Wade Lake Hilltop Cliff Point Cg 220 Groundwater 7 2
Ennis Hot Springs Business Park Inc 216 Groundwater 7 2
Garnet USA 45 Groundwater 35 1
Madison County Golf Assoc 108 Groundwater 19 1
Indiana Univ Geologic Station 92 Groundwater 15 1
Lake Shore Lodge 75 Groundwater 13 1
Ruby Valley Campground 151 Groundwater 9 1
Nevada City 621 Groundwater 7 1
Andesite Ridge Water System 450 Groundwater Purchased 4 1
Harrison School District No 23 100 Groundwater 199 0
Town Haul Diner 107 Groundwater 101 0
Encampment Trail 100 Groundwater 79 0
Ennis Town of 1,400 Groundwater 53 0
Mcallister Lodging 63 Groundwater 33 0
Norris Hot Springs 204 Groundwater 17 0
Earthquake Lake Visitor Center 503 Groundwater 13 0
Rainbow Valley Motel 52 Groundwater 12 0
Madison Double R Ranch 45 Groundwater 12 0
Sheridan Town of 632 Groundwater 11 0
Magris Talc Usa, Inc Yellowstone Mine 32 Groundwater 11 0
Elkhorn Trailer Court 25 Groundwater 11 0
Big Sky County Water and Sewer Dist 363 4,132 Groundwater 9 0
Madison River Recreation Area 75 Groundwater 9 0
Madison Valley Baptist Church Unapproved 120 Groundwater 6 0
Ruby Creek Campground 100 Groundwater 6 0
Chicks Bar 98 Groundwater 6 0
Alder School 30 Groundwater 6 0
Ennis S Raynolds Pass Rest Area 500 Groundwater 4 0
Lone View Ridge Water System 37 Groundwater 4 0
Palisades Campground 300 Groundwater 3 0
Red Mountain Campground 150 Groundwater 2 0
West Fork Cabin Camp 90 Groundwater 2 0
Lds Church Ennis 70 Groundwater 2 0
Twin Bridges Town of 424 Groundwater 1 0
Valley Garden Golf Village Hoa 195 Groundwater 1 0
El Western Resort 52 Groundwater 1 0
Lds Church Sheridan 50 Groundwater 1 0
Dream Drift Flies 30 Groundwater 1 0
Mill Creek Campground 30 Groundwater 1 0
Mt Moonlight Basin 355 Groundwater 0 0