Water Quality in Pine Ridge, SD (57770)
EPA violation data for public water systems serving ZIP code 57770.
Active Health Violations
11 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 93% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
5,483
Population
48
Water Systems
70
Violations (5yr)
11
Health-Based
Location
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Water Systems Serving This Area (48)
Pine Ridge Water System
All resolvedKyle Water System
Ost Sanitation And Maintenance
Oglala Rws Pipeline
All resolvedWanblee East
2 health-basedWhite Horse Creek Water System
Wolf Creek School
Wanblee Water System
All resolvedPorcupine Day School
Manderson Water System
Pine Ridge Bia Agency
Red Cloud School
Ost Sanitation And Maintenance
Evergreen Water System
Ost Sanitation And Maintenance
Allen Water System
All resolvedOst Sanitation And Maintenance
Sunrise Water System
All resolvedAmerican Horse Creek
Loneman School
Pine Ridge Bia Agency
Ost Sanitation And Maintenance
Pine Ridge Hospital
1 health-basedOst Sanitation And Maintenance
Ost Sanitation And Maintenance
Pine Ridge Bia Agency
Wounded Knee Water System
1 health-basedOst Sanitation And Maintenance
Pine Ridge Bia Agency
Pine Ridge Bia Agency
Eagle Nest Homes
Ost Sanitation And Maintenance
Red Rocks Water System
All resolvedOst Sanitation And Maintenance
Potato Creek Water System
All resolvedSharps Corner Water System
Ost Sanitation And Maintenance
Ost Sanitation And Maintenance
Ost Sanitation And Maintenance
North Martin Water System
5 health-basedPine Ridge Christian Academy
Wakpamni Water System
1 health-basedWolf Creek Water System
All resolvedOst Sanitation And Maintenance
Porcupine Water System
North Allen Water System
1 health-basedBatesland South
Calico Water System
Contaminants Found
A naturally occurring element that can cause cancer and other health effects at high levels.
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Annual water quality report delivery requirement.
Used to disinfect water — generally safe at regulated levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Pine Ridge (57770) has more violations than 93% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 70.
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
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.