Water Quality in Great Falls, MT (59483)
EPA violation data for public water systems serving ZIP code 59483.
No Health-Based Violations
None of the 10 water systems serving this ZIP have any violations in the past 5 years.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
247
Population
10
Water Systems
0
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (10)
Great Falls City Of
Surface water 60,000 people served
0 violations
Lead tested: 8 ppb (limit: 15 ppb) ✓
Cascade Colony
Groundwater 105 people served
0 violations
Sun River Truck Stop Cafe
Groundwater 70 people served
0 violations
Ramble Inn Bar
Purchased surface water 63 people served
0 violations
Farmers Union Oil Co
Groundwater 50 people served
0 violations
Sun River Fire Department
Groundwater 50 people served
0 violations
Gingers Saloon And Cafe
Groundwater 38 people served
0 violations
Sun River School (Gym) Well #2
Groundwater 25 people served
0 violations
Empty Saddle And Casino
Groundwater 25 people served
0 violations
Valley Truck Stop
Groundwater 25 people served
0 violations
Lead & Copper Levels
Lead (Pb)
Approaching limit8 ppb measured
Action level: 15 ppb
Sampled: Jul 2025
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.