OWANKA RURAL WATER SYSTEM
PWSID: SD4602310 · Black Hawk, SD · Serves 52 people
OWANKA RURAL WATER SYSTEM has 20 health-based violations out of 20 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
OWANKA RURAL WATER SYSTEM (PWSID SD4602310) 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 52 people in Black Hawk, SD, and is subject to primacy enforcement by the South Dakota drinking-water program.
The system's federal compliance record contains 20 total violations, with 20 classified as health-based (MCL exceedances or treatment-technique failures). 1 distinct contaminant has been cited, including Lead & Copper Rule. Recorded violations span 2016–2020.
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)
- SD4602310
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Black Hawk, SD
- Population Served
- 52
- Health Violations
- Yes (20)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Lead & Copper Rule | 20 | 20 |
Violation History (20)
| Contaminant | Health | Date |
|---|---|---|
| Lead & Copper Rule | Yes | Oct 1, 2020 |
| Lead & Copper Rule | Yes | Jul 1, 2020 |
| Lead & Copper Rule | Yes | Apr 1, 2020 |
| Lead & Copper Rule | Yes | Jan 1, 2020 |
| Lead & Copper Rule | Yes | Oct 1, 2019 |
| Lead & Copper Rule | Yes | Jul 1, 2019 |
| Lead & Copper Rule | Yes | Apr 1, 2019 |
| Lead & Copper Rule | Yes | Jan 1, 2019 |
| Lead & Copper Rule | Yes | Oct 1, 2018 |
| Lead & Copper Rule | Yes | Jul 1, 2018 |
| Lead & Copper Rule | Yes | Apr 1, 2018 |
| Lead & Copper Rule | Yes | Jan 1, 2018 |
| Lead & Copper Rule | Yes | Oct 31, 2017 |
| Lead & Copper Rule | Yes | Jul 1, 2017 |
| Lead & Copper Rule | Yes | Apr 1, 2017 |
| Lead & Copper Rule | Yes | Jan 1, 2017 |
| Lead & Copper Rule | Yes | Oct 1, 2016 |
| Lead & Copper Rule | Yes | Jul 1, 2016 |
| Lead & Copper Rule | Yes | Apr 1, 2016 |
| Lead & Copper Rule | Yes | Jan 1, 2016 |
Frequently Asked Questions
Is OWANKA RURAL WATER SYSTEM water safe to drink?
How many people does OWANKA RURAL WATER SYSTEM serve?
What violations does OWANKA RURAL WATER SYSTEM have?
What contaminants have been found in OWANKA RURAL WATER SYSTEM 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.