Water Quality in BIG STONE CITY, SD (57216)
EPA violation data for public water systems serving ZIP code 57216.
11
Total Violations
3
Health-Based
8
Monitoring / Reporting
11
Resolved
What does this mean?
11 of 11 violations have been resolved. 3 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 8 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 (11 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2021 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | Eye and nose irritation; stomach discomfort |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2024(2)
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
2021(9)
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Chlorine
27
Chlorine
27
Chlorine
27
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
How Does This Compare?
BIG STONE CITY (57216) has 11 recorded violations, including 3 health-based. All violations have been resolved, which is a positive sign for current water quality. 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.
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.