Water Quality in Rapid City, SD (57709)
EPA violation data for public water systems serving ZIP code 57709.
Past Health-Based Violations
7 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 10 monitoring/reporting violations.
More violations than 76% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
58
Water Systems
17
Violations (5yr)
7
Health-Based
Location
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Water Systems Serving This Area (58)
Chapel Lane Water Company
Groundwater 1,200 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Reptile Gardens Inc
Groundwater 1,169 people served
0 violations
Windmill Restaurant
Groundwater 1,001 people served
0 violations
Country Store At Three Forks
Groundwater 1,000 people served
0 violations
Black Hills Greyhound Track
Groundwater 900 people served
0 violations
Wonderland Homes
Groundwater 750 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Powder House Lodge
Groundwater 700 people served
0 violations
Sun Valley Development
Groundwater 650 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Cph - Countryside South
Groundwater 576 people served
0 violations
Flying J Travel Plaza
Groundwater 560 people served
0 violations
Countryside
Groundwater 492 people served
0 violations
Springbrook Acres
Groundwater 425 people served
0 violations
Dot Rest Area 504-505a-Tilford
Groundwater 400 people served
0 violations
Prairie Acres Llc
Groundwater 350 people served
0 violations
Lead tested: 8 ppb (limit: 15 ppb) ✓
The Gaslight
Groundwater 300 people served
0 violations
Dot Rest Area 517a-Spearfish
Groundwater 300 people served
0 violations
Stagebarn Sanitary District
Purchased groundwater 295 people served
0 violations
Lead tested: 6 ppb (limit: 15 ppb) ✓
Prairie Acres North
Groundwater 288 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Carriage Hills
Groundwater 267 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Federal Beef Processors
Purchased surface water 250 people served
0 violations
Dry Creek Estates
Groundwater 233 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Boulder Park Water Users Association
Groundwater 200 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Blue Wing Recreation Area
Groundwater 200 people served
0 violations
Strato Rim Estates Water Company
Groundwater 170 people served
0 violations
Lead tested: 11 ppb (limit: 15 ppb) ✓
Prairie Acres South
Groundwater 170 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Black Hills Maze
Groundwater 150 people served
0 violations
Horsehead Resort
Groundwater 144 people served
0 violations
B & J Mobile Home Park
Groundwater 135 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Midland Heights
Groundwater 130 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
East Ridge Acres
Groundwater 118 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Elk Creek Village
Groundwater 110 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Prairie Haven Subdivision
3 health-based Groundwater 105 people served
3 violations (5yr)
· 3 health-based · All resolved
Lead tested: 2 ppb (limit: 15 ppb) ✓
Black Hills Children'S Home
Groundwater 105 people served
0 violations
Lead tested: 7 ppb (limit: 15 ppb) ✓
Ponderosa Mobile Home Ranch
Groundwater 100 people served
0 violations
Lead tested: 4 ppb (limit: 15 ppb) ✓
Mesa View Water Association
Groundwater 100 people served
0 violations
Gcc Dacotah - East/West/North
Groundwater 100 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
The Outpost
Groundwater 100 people served
0 violations
Wagon Wheel Mobile Home Park
Groundwater 90 people served
0 violations
Horse Creek Resort-Lower Wells
Groundwater 90 people served
0 violations
Terra Cotta Estates
Groundwater 75 people served
0 violations
Summer Sun Resort
Groundwater 70 people served
0 violations
Edelweiss Mountain Improvement Assoc
Groundwater 70 people served
0 violations
Lead tested: 14 ppb (limit: 15 ppb) ✓
Elk Valley Ranchettes
Groundwater 62 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Rushmore Hockey Association
Groundwater 60 people served
0 violations
Stan Houston Equipment Co
Groundwater 50 people served
0 violations
Rushmore Shadows
Purchased groundwater 50 people served
0 violations
Golden Hills Homes
Groundwater 47 people served
0 violations
Lead tested: 4 ppb (limit: 15 ppb) ✓
Black Elk Resort
Groundwater 38 people served
0 violations
Horse Creek Resort-Log Cabin Well
All resolved Groundwater 35 people served
1 violation (5yr)
· All resolved
Rimrock Ridge Water Association
Groundwater 35 people served
0 violations
Lead tested: 4 ppb (limit: 15 ppb) ✓
Gcc Dacotah-North Quarry Well
Groundwater 35 people served
0 violations
Horse Creek Resort-Cabin Well
Groundwater 30 people served
0 violations
Cottonwood Grove Mobile Home Park
4 health-based Purchased surface water 30 people served
13 violations (5yr)
· 4 health-based · All resolved
Lead tested: 1 ppb (limit: 15 ppb) ✓
Ponderosa Water Company
Groundwater 25 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Salvation Army Camp
Groundwater 25 people served
0 violations
Pineview Water Association
Groundwater 25 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Black Hills Packing Co.
Groundwater 25 people served
0 violations
Ponderosa Mountain Rustic Campground
Groundwater 24 people served
0 violations
Contaminants Found
Revised Total Coliform RuleHealth-Based
Missed testing deadlines — not a detection of bacteria.
6 violations
All resolved
Gross Alpha, Excl. Radon and UHealth-Based
3 violations
All resolved
Combined UraniumHealth-Based
3 violations
All resolved
Public NoticeMonitoring
2 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
1 violation
All resolved
TTHMMonitoring
1 violation
All resolved
Lead & Copper Levels
Lead (Pb)
Within limit2 ppb measured
Action level: 15 ppb
Sampled: Jan 2024
How Does This Compare?
Rapid City (57709) has more violations than 76% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 17.
Fewer violations 76th percentile More violations
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.