Water Quality in Custer, SD (57730)
EPA violation data for public water systems serving ZIP code 57730.
Past Health-Based Violations
1 health-based violation was 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 68% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
5,596
Population
73
Water Systems
11
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (73)
Laughing Water Restaurant At Crazy H
Groundwater 2,055 people served
0 violations
Lead tested: 5 ppb (limit: 15 ppb) ✓
Custer
Groundwater 1,919 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Sylvan Lake Lodge
Groundwater 1,766 people served
0 violations
Csp-Sylvan Lake
Groundwater 799 people served
0 violations
Csp-Game Lodge
Groundwater 541 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Pactola Pines Store
All resolved Groundwater 500 people served
1 violation (5yr)
· All resolved
General Custer Camp Koa
Groundwater 450 people served
0 violations
Csp-Blue Bell
Groundwater 413 people served
0 violations
Taco Del Sol
Groundwater 400 people served
0 violations
Csp-Bison Center
Groundwater 300 people served
0 violations
Heritage Village Inc
Groundwater 300 people served
0 violations
Beaver Lake Campground
1 health-based Groundwater 300 people served
4 violations (5yr)
· 1 health-based · All resolved
Csp-Wtp/Treatment Plant
Groundwater 300 people served
0 violations
Csp-Wildlife Station Vc
Groundwater 297 people served
0 violations
Csp-Legion Lake
Groundwater 278 people served
0 violations
American Presidents Resort
Groundwater 250 people served
0 violations
Csp-Center Lake & Playhouse
Groundwater 230 people served
0 violations
Nps-Jewel Cave National Monument
Groundwater 219 people served
0 violations
Usfs-Bhnf Pactola Campground
Groundwater 166 people served
0 violations
Custers Gulch Rv Park-#1sw
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
Usfs-Bhnf Woodsy/Smokey Cg
Groundwater 145 people served
0 violations
Csp-Sylvan Lake Campground
Groundwater 140 people served
0 violations
Custers Gulch Rv Park-#2ne
Groundwater 129 people served
0 violations
Usfs-Bhnf Roubaix Lake Cg
Groundwater 124 people served
0 violations
Usfs-Bhnf Dutchman Campground
Groundwater 99 people served
0 violations
Big Pine Campground
Groundwater 96 people served
0 violations
Broken Arrow Horse Camp
Groundwater 92 people served
0 violations
Fort Welikit Family Campground
All resolved Groundwater 87 people served
1 violation (5yr)
· All resolved
Csp-Stockade Lake Cg-South
Groundwater 83 people served
0 violations
Usfs-Bhnf Horsethief Lake Cg
Groundwater 79 people served
0 violations
Custer Mountain Campground
All resolved Groundwater 72 people served
2 violations (5yr)
· All resolved
Csp-French Creek Horse Camp
Groundwater 61 people served
0 violations
Usfs-Bhnf Bismark Lake Campground
Groundwater 57 people served
0 violations
Usfs-Bhnf Chipper/Thumper Cg
Groundwater 56 people served
0 violations
Usfs-Bhnf Comanche Park Campground
Groundwater 55 people served
0 violations
Csp-Park Shop
Groundwater 50 people served
0 violations
Camp Bob Marshall
Groundwater 50 people served
0 violations
Westward Ho Trailer Court
Groundwater 50 people served
0 violations
Black Hills Nf Reuter Cg
Surface water 50 people served
0 violations
Csp-Hidden Valley
Groundwater 45 people served
0 violations
Csp-Stockade Lake Cg-North
Groundwater 44 people served
0 violations
Four Mile Old West Town
Groundwater 43 people served
0 violations
Usfs-Bhnf Rocky Campground
Groundwater 41 people served
0 violations
Usfs-Bhnf Oreville Campground
Groundwater 40 people served
0 violations
Gold Valley Camp
Groundwater 39 people served
0 violations
Outlaw Ranch
Groundwater 35 people served
0 violations
Elk Ridge Park
Groundwater 32 people served
0 violations
Thompson Trailer Court
Groundwater 31 people served
0 violations
Usfs - Nemo Water System
Groundwater 31 people served
0 violations
Lead tested: 5 ppb (limit: 15 ppb) ✓
Roost Resort - East Well
Groundwater 30 people served
0 violations
Gray Rocks Resort
Groundwater 30 people served
0 violations
Triple T Cafe
Groundwater 30 people served
0 violations
Crest Motel C/O E A Melerovich
Groundwater 28 people served
0 violations
Calamity Peak Lodge
Groundwater 28 people served
0 violations
The Pines Motel And Cabins
Groundwater 26 people served
0 violations
Custer Lutheran Fellowship
Groundwater 25 people served
0 violations
Needlesview
Groundwater 25 people served
0 violations
Pine Lodge Cabins
Groundwater 25 people served
0 violations
Bridle Ridge Horse And Rv Camp
Groundwater 25 people served
0 violations
Roost Resort - Campground Well
Groundwater 25 people served
0 violations
Csp-Valhalla
Groundwater 25 people served
0 violations
Custer-Mount Rushmore Koa-Front/Offi
Groundwater 25 people served
0 violations
Harney Camp Cabins
All resolved Groundwater 25 people served
3 violations (5yr)
· All resolved
Custer Doc
Surface water 25 people served
0 violations
Blue Spruce Lodge
Groundwater 25 people served
0 violations
American Presidents Motel
Groundwater 25 people served
0 violations
Csp-Wsc/Stockade Cabin
Groundwater 25 people served
0 violations
Roost Resort - House Well
Groundwater 24 people served
0 violations
Atlantic Mountain Ranch Main Site
Groundwater 10 people served
0 violations
Atlantic Mountain Ranch Fort Site
Groundwater 10 people served
0 violations
Usfs-Bhnf Hazelrodt
Groundwater 5 people served
0 violations
Contaminants Found
Groundwater RuleHealth-Based
1 violation
All resolved
Revised Total Coliform RuleMonitoring
Missed testing deadlines — not a detection of bacteria.
9 violations
All resolved
Public NoticeMonitoring
1 violation
All resolved
Lead & Copper Levels
Lead (Pb)
Within limit5 ppb measured
Action level: 15 ppb
Sampled: Jan 2024
How Does This Compare?
Custer (57730) has more violations than 68% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 11.
Fewer violations 68th 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.
Whole House Carbon Filter
A solid baseline for improving overall water quality. Reduces chlorine, sediment, and many common contaminants throughout your entire home.
Targets:Chlorine, Sediment, Taste & Odor
Look for:NSF/ANSI 42 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.