Tapcensus

Water quality for ZIP code 59035

ZIP 59035 covers Fort Smith in Big Horn County, Montana, one of 11 ZIP codes in the county. 23 active public water systems serve the county; 14 had an EPA violation in the past three years.

Most likely your provider

Fort Smith Water and Sewer District MT0004765 · Community water system · Ground water · Fort Smith
Serves 450 people Rules violated, past 3 years 0 Last sanitary survey Aug 21, 2025 Distance 1.8 mi

Other community water systems in Big Horn County

4 systems, nearest first
SystemServesStatusRules violated, 3 yrDistance
Wegner Water Service Hauler
Hardin
50 3 27.9 mi
Hardin City of
Hardin
3,500 1 34.7 mi
Yellowtail Dam GC System
Hardin
125 2 35.4 mi
Lodge Grass Town of
Lodge Grass
480 2 36.7 mi
Non-community systems in Big Horn County (18: schools, campgrounds, workplaces, restaurants)

These systems serve places you visit rather than homes.

SystemServesStatusRules violated, 3 yrUnresolved
Cottonwood Camp Fort Smith
Fort Smith
85 3 1
Chief Plenty Coups Museum
Pryor
262 0 0
ST Charles School
Pryor
152 1 1
7th Ranch RV Camp
Garryowen
102 1 0
Little Bighorn Battlefield NM
Crow Agency
2,020 0 0
Hardin Eastbound Rest Area
Hardin
877 1 0
Hardin Westbound Rest Area
Hardin
715 2 0
Big Horn CO Historical Museum
Hardin
206 0 0
Yellowtail Dam Powerplant and Visitor CE
Hardin
48 0 0
Reese and Ray Iga Hardin
Hardin
25 0 0
Hardin KOA Cistern
Hardin
100 1 1
Kirby Saloon
Busby
25 3 1
Spring Creek Coal Domestic
Decker
200 1 0
Spring Creek Mine
Decker
200 0 0
Absaloka Mine
Hardin
80 2 0
Tongue River Campers Point
Decker
305 0 0
Tongue River Pee Wee Point
Decker
300 0 0
East Decker Coal Mine
Decker
28 2 0
About this data

Water systems are matched to Big Horn County, the county this ZIP code lies in, nearest to the ZIP code's centre 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. Distances are measured to the centre of the service area EPA publishes for the system or, for systems without one, to the centre of the first town EPA lists the system as serving, from Census Bureau place files.

ZIP code areas and town boundaries come from the U.S. Census Bureau's 2020 ZCTA 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 Montana 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.