Water Quality in Williston, ND (58801)
EPA violation data for public water systems serving ZIP code 58801.
No Health-Based Violations
None of the 52 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are9 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 62% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
34,277
Population
52
Water Systems
9
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (52)
Williston City Of
Surface water 26,426 people served
0 violations
O And S Campground And Mhc
Groundwater 675 people served
0 violations
Inspire Communities-Springbrook
All resolved Purchased surface water 300 people served
1 violation (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Mdu-Knife River Camper Site
Purchased surface water 200 people served
0 violations
Black Gold Williston Lodge
Purchased surface water 200 people served
0 violations
Williston Village Rv Resort
Purchased surface water 173 people served
0 violations
Nabors Drilling Williston Camp
Purchased surface water 165 people served
0 violations
Workforce Housing Project
Purchased surface water 150 people served
0 violations
Scenic East Subdivision
Groundwater 129 people served
0 violations
Hawthorn Ridge
Purchased surface water 126 people served
0 violations
Chandlers Mobile Home Court
Purchased surface water 125 people served
0 violations
Missouri-Yellowstone Interpretive Center
All resolved Groundwater 100 people served
6 violations (5yr)
· All resolved
Round Prairie School
Groundwater 100 people served
0 violations
Bar-B-Q
Groundwater 100 people served
0 violations
Dakota Lodge North
Purchased surface water 100 people served
0 violations
South Heart Lodge
Purchased surface water 100 people served
0 violations
Target Mobile Crew Camp
Purchased groundwater 95 people served
0 violations
Stallion Oilfield Services-Williston
All resolved Purchased surface water 90 people served
2 violations (5yr)
· All resolved
Hb Rentals
Purchased surface water 85 people served
0 violations
12 Mile Lodge
Purchased surface water 80 people served
0 violations
Fort Union Trading Post Nhs
Purchased surface water 79 people served
0 violations
The Cottages At Tioga
Purchased surface water 75 people served
0 violations
Buffalo Trails Campground
Purchased surface water 75 people served
0 violations
Allstate Peterbilt
Groundwater 70 people served
0 violations
Knife River Man Camp
Purchased surface water 60 people served
0 violations
Pioneer Elementary School
Groundwater 58 people served
0 violations
Garden Valley School
Groundwater 55 people served
0 violations
Dakota Lodge West
Purchased surface water 50 people served
0 violations
Larrys Bar
Groundwater 50 people served
0 violations
Red Barn Trailer Court
Groundwater 50 people served
0 violations
North Rest Area
Groundwater 50 people served
0 violations
Tande Y Trailer Park
Groundwater 50 people served
0 violations
Big Country Rv Park
Groundwater 48 people served
0 violations
Nine Mile Bar
Groundwater 40 people served
0 violations
Prairie Trailer Court
Groundwater 40 people served
0 violations
Driftwood Trailer Court
Groundwater 40 people served
0 violations
Valley View Rv Park
Purchased surface water 38 people served
0 violations
Raums Recreation Area
Groundwater 35 people served
0 violations
Painted Woods Acres Mhp
Groundwater 35 people served
0 violations
Black Hawk Energy Crew Camp
Purchased surface water 30 people served
0 violations
Nabors Drilling Keene Camp
Purchased surface water 30 people served
0 violations
Ar-Kota Rv Park
Groundwater 27 people served
0 violations
Stony Creek Mobile Home Park
Groundwater 25 people served
0 violations
Buttrey Foods
Purchased groundwater 25 people served
0 violations
Family Thrift
Purchased groundwater 25 people served
0 violations
Grandview Motel
Groundwater 25 people served
0 violations
Sitting Bull Auction Market
Groundwater 25 people served
0 violations
Williston County Market
Purchased groundwater 25 people served
0 violations
Nabors Drilling Lodge 450
Groundwater 20 people served
0 violations
Vac-U-Jet Septic And Sump Service
Purchased surface water 5 people served
0 violations
Nabors Drilling Ross Camp
Groundwater 1 people served
0 violations
Pioneer School
Groundwater 0
0 violations
Contaminants Found
Revised Total Coliform RuleMonitoring
Missed testing deadlines — not a detection of bacteria.
8 violations
All resolved
ChloramineMonitoring
1 violation
All resolved
Lead & Copper Levels
Lead (Pb)
Within limit0 ppb measured
Action level: 15 ppb
Sampled: Jan 2023
How Does This Compare?
Williston (58801) has more violations than 62% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 9, most of which are monitoring/reporting issues.
Fewer violations 62th percentile More violations
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.