BUFFALO GAP
PWSID: SD4600077 · Buffalo Gap, SD · Serves 126 people
BUFFALO GAP has 13 health-based violations out of 13 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
BUFFALO GAP (PWSID SD4600077) is a cws water system drawing from a groundwater source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 126 people in Buffalo Gap, SD, and is subject to primacy enforcement by the South Dakota drinking-water program.
The system's federal compliance record contains 13 total violations, with 13 classified as health-based (MCL exceedances or treatment-technique failures). 2 distinct contaminants have been cited, including Chlorine, Fluoride. Recorded violations span 2011–2025.
A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the South Dakota state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- SD4600077
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Buffalo Gap, SD
- Population Served
- 126
- Health Violations
- Yes (13)
What contaminants are in this water system?
Violation History (13)
| Contaminant | Health | Date |
|---|---|---|
| Chlorine | Yes | Jul 7, 2025 |
| Chlorine | Yes | May 21, 2024 |
| Chlorine | Yes | Jan 1, 2018 |
| Chlorine | Yes | Jan 1, 2018 |
| Chlorine | Yes | Feb 1, 2017 |
| Chlorine | Yes | Feb 1, 2017 |
| Fluoride | Yes | May 14, 2016 |
| Fluoride | Yes | May 14, 2016 |
| Chlorine | Yes | Feb 1, 2016 |
| Chlorine | Yes | Feb 1, 2016 |
| Chlorine | Yes | Feb 1, 2014 |
| Fluoride | Yes | May 30, 2013 |
| Chlorine | Yes | Feb 1, 2011 |
Frequently Asked Questions
Is BUFFALO GAP water safe to drink?
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What violations does BUFFALO GAP have?
What contaminants have been found in BUFFALO GAP water?
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About This Data
Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.