Water Quality in BUFFALO GAP, SD (57722)
EPA violation data for public water systems serving ZIP code 57722.
19
Total Violations
3
Health-Based
16
Monitoring / Reporting
18
Resolved
What does this mean?
18 of 19 violations have been resolved. 3 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 16 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.
Violations Detail (19 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Health-Based | N/A | N/A | Jul 6, 2025 | Active | N/A |
| Chlorine | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Health-Based | N/A | N/A | May 20, 2024 | Resolved | N/A |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Health-Based | N/A | N/A | May 20, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2023 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(2)
Stage 1 Disinfectants and Disinfection Byproducts Rule
12
Chlorine
27
2024(2)
Stage 1 Disinfectants and Disinfection Byproducts Rule
12
Stage 1 Disinfectants and Disinfection Byproducts Rule
12
How Does This Compare?
BUFFALO GAP (57722) has 19 recorded violations, including 3 health-based. 1 remains unresolved. Consider testing your tap water independently for added peace of mind.
Recommended Water Filters
Based on the contaminants detected in your area, these filter types may help improve your water quality.
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.