Water Quality in Black Hawk, SD (57718)
EPA violation data for public water systems serving ZIP code 57718.
Active Health Violations
10 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 85% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
7,937
Population
88
Water Systems
36
Violations (5yr)
10
Health-Based
Location
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Water Systems Serving This Area (88)
Black Hawk Water User District
Groundwater 4,500 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Northdale Sanitary District
1 health-based Groundwater 1,075 people served
1 violation (5yr)
· 1 health-based · All resolved
Lead tested: 2 ppb (limit: 15 ppb) ✓
Bear Country Usa
Groundwater 1,021 people served
0 violations
Country Store At Three Forks
Groundwater 1,000 people served
0 violations
Palmer Gulch Lodge/Mt Rushmore Koa
Groundwater 850 people served
0 violations
Flying J Travel Plaza
Groundwater 560 people served
0 violations
Black Hawk Oil Company
Groundwater 500 people served
0 violations
Rapid City South Rv Park
Groundwater 440 people served
0 violations
Terry Trojan Water District
Groundwater 400 people served
0 violations
Lead tested: 4 ppb (limit: 15 ppb) ✓
Heartland Campground
Groundwater 395 people served
0 violations
Golden Valley Water Company
1 health-based Groundwater 283 people served
1 violation (5yr)
· 1 health-based · All resolved
Lead tested: 1 ppb (limit: 15 ppb) ✓
Trail West Sanitary District
Groundwater 260 people served
0 violations
Woodland Hills Sanitary District
Groundwater 255 people served
0 violations
Lead tested: 4 ppb (limit: 15 ppb) ✓
Valley View Water Company
1 health-based Groundwater 248 people served
1 violation (5yr)
· 1 health-based · All resolved
Lead tested: 1 ppb (limit: 15 ppb) ✓
Sunnyside Mobile Home Park Ii
1 health-based Groundwater 235 people served
1 violation (5yr)
· 1 health-based · All resolved
Lead tested: 2 ppb (limit: 15 ppb) ✓
Dry Creek Estates
Groundwater 233 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Viewfield Rural Water System
Groundwater 220 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Three Flags Rv Park
All resolved Groundwater 215 people served
1 violation (5yr)
· All resolved
Plainsview Mobile Manor
All resolved Groundwater 210 people served
1 violation (5yr)
· All resolved
Lead tested: 1 ppb (limit: 15 ppb) ✓
Pine Hills Park
1 health-based Purchased groundwater 200 people served
6 violations (5yr)
· 1 health-based
Lead tested: 1 ppb (limit: 15 ppb) ✓
Rendezvous Ranch
Groundwater 195 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Heritage Park
Groundwater 188 people served
0 violations
Pine Cliff Estates
Groundwater 180 people served
0 violations
Lead tested: 5 ppb (limit: 15 ppb) ✓
Spring Creek Acres
Groundwater 172 people served
0 violations
Lead tested: 3 ppb (limit: 15 ppb) ✓
Rapid City Mobile Home Park
Groundwater 170 people served
0 violations
Lead tested: 4 ppb (limit: 15 ppb) ✓
Rushmore Ranch Estates
Groundwater 168 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Steel Wheel Campground And Convenien
Groundwater 166 people served
0 violations
Canyon Springs Water And Sewer Distr
Groundwater 163 people served
0 violations
Lead tested: 4 ppb (limit: 15 ppb) ✓
Black Hawk Creek Rv Park
Groundwater 158 people served
0 violations
Big Bats
Groundwater 150 people served
0 violations
Black Hills Chairlift
Groundwater 150 people served
0 violations
Custer-Mount Rushmore Koa-Rear/Cg
Groundwater 146 people served
0 violations
Koa Hill City/Needles Highway
Groundwater 146 people served
0 violations
High Meadows Water Company
All resolved Groundwater 140 people served
1 violation (5yr)
· All resolved
Lead tested: 1 ppb (limit: 15 ppb) ✓
Midland Heights
Groundwater 130 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Pine Haven Venue And Lodging
Groundwater 128 people served
0 violations
Larsson'S Crooked Creek Cg-North Wel
All resolved Groundwater 124 people served
1 violation (5yr)
· All resolved
East Ridge Acres
Groundwater 118 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Ray Smith Hoa-Rs East Well
1 health-based Groundwater 115 people served
4 violations (5yr)
· 1 health-based · All resolved
Fish-N-Fry Campground
Groundwater 113 people served
0 violations
Rushmore Under Canvas
Groundwater 113 people served
0 violations
Country Road Estates
Groundwater 112 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) ✓
D & E Water Company
Groundwater 100 people served
0 violations
Lead tested: 4 ppb (limit: 15 ppb) ✓
Spokane Creek Cabins & Campground
All resolved Groundwater 100 people served
1 violation (5yr)
· All resolved
Boulder Canyon Country Club
Groundwater 100 people served
0 violations
Mesa View Water Association
Groundwater 100 people served
0 violations
Golden Meadows
Groundwater 96 people served
0 violations
Lead tested: 6 ppb (limit: 15 ppb) ✓
Big Pine Campground
Groundwater 96 people served
0 violations
Heartland Country Ranchettes
Groundwater 95 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Quaal Water Association
Groundwater 95 people served
0 violations
Lead tested: 5 ppb (limit: 15 ppb) ✓
Ar Ranch
Groundwater 88 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Oak Mountain Country Estates
Groundwater 85 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Piedmont Medical Center
Groundwater 75 people served
0 violations
Peaceful Pines Ii
Groundwater 71 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Wild Turkey Estates Ii
Groundwater 70 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Edelweiss Mountain Improvement Assoc
Groundwater 70 people served
0 violations
Lead tested: 14 ppb (limit: 15 ppb) ✓
Thrall Mtn. Property Owners Associat
Groundwater 70 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Crooked Oaks Canyon Homeowners
Groundwater 65 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Shirt Tail Gulch Development
Groundwater 65 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Whispering Willows
All resolved Purchased groundwater 64 people served
6 violations (5yr)
· All resolved
Lead tested: 3 ppb (limit: 15 ppb) ✓
High Meadows Ranchettes
Groundwater 60 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Tomahawk Country Club-Clubhouse
All resolved Groundwater 60 people served
4 violations (5yr)
· All resolved
High Country-Ranch West Well
All resolved Groundwater 58 people served
3 violations (5yr)
· All resolved
Summerset Hotel And Suites
Groundwater 55 people served
0 violations
Larsson'S Crooked Creek Cg-New
1 health-based Groundwater 54 people served
1 violation (5yr)
· 1 health-based · All resolved
Owanka Rural Water System
Groundwater 52 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Larsson'S Crooked Creek Cg-South Wel
Groundwater 52 people served
0 violations
Hidden Valley Campground
Groundwater 50 people served
0 violations
Autumn Meadows Sanitary District
Groundwater 49 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Eagle Water Company
Surface water 48 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Centennial Vista Estates
Groundwater 44 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Rochford Ridge
Surface water 43 people served
0 violations
Sacora Mobile Home Park
Purchased groundwater 42 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
76 Ranch Estates
Groundwater 40 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Gold Valley Camp
Groundwater 39 people served
0 violations
High Sheridan Ranch
Groundwater 38 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Valhalla Addition
Groundwater 38 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Pillar Peak
Groundwater 38 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
The Timbers
Groundwater 33 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Wild Turkey Estates I
Groundwater 33 people served
0 violations
Lead tested: 3 ppb (limit: 15 ppb) ✓
Black Hills Vista Rv Park
Groundwater 32 people served
0 violations
The Niche Sanitary District
Groundwater 30 people served
0 violations
Norris Peak Water Users Assoc
Groundwater 30 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Bethlehem Cave
Groundwater 25 people served
0 violations
Custer-Mount Rushmore Koa-Front/Offi
Groundwater 25 people served
0 violations
Pactola Water Association
Groundwater 25 people served
0 violations
Highmark Housing
Purchased surface water 20 people served
0 violations
Contaminants Found
Revised Total Coliform RuleHealth-Based
Missed testing deadlines — not a detection of bacteria.
13 violations
All resolved
Gross Alpha, Excl. Radon and UHealth-Based
4 violations
All resolved
Stage 1 Disinfectants and Disinfection Byproducts RuleHealth-Based
3 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
2 violations
All resolved
Groundwater RuleHealth-Based
1 violation
All resolved
Consumer Confidence RuleMonitoring
Annual water quality report delivery requirement.
4 violations
Has active
ChlorineMonitoring
Used to disinfect water — generally safe at regulated levels.
4 violations
All resolved
E. COLIMonitoring
3 violations
All resolved
Public NoticeMonitoring
2 violations
All resolved
Lead & Copper Levels
Lead (Pb)
Within limit2 ppb measured
Action level: 15 ppb
Sampled: Jul 2024
How Does This Compare?
Black Hawk (57718) has more violations than 85% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 36.
Fewer violations 85th 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.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 certified
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.