Walnut Park
PWSID: SD4600316
System Details
| Population Served | 180 |
| Service Connections | 72 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Private |
| Status | Active |
| City | Spearfish |
| Zip Code | 57783 |
Areas Served
- Spearfish, Lawrence County, 57783
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0050 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
Violation History (24 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-10-17 | Yes | Returned to Compliance |
| | 2024-10-17 | | Returned to Compliance |
| | 2019-02-01 | Yes | Returned to Compliance |
| | 2018-10-02 | Yes | Returned to Compliance |
| | 2018-05-16 | Yes | Returned to Compliance |
| | 2018-05-01 | Major | Returned to Compliance |
| | 2018-04-01 | Major | Returned to Compliance |
| | 2017-05-01 | Yes | Returned to Compliance |
| | 2016-08-19 | Yes | Returned to Compliance |
| | 2016-02-01 | Yes | Returned to Compliance |
| | 2013-02-01 | Yes | Returned to Compliance |
| | 2010-05-01 | Yes | Returned to Compliance |
| | 2007-07-17 | | Returned to Compliance |
| | 2007-07-16 | | Returned to Compliance |
| | 2007-07-15 | | Returned to Compliance |
| | 2007-07-14 | | Returned to Compliance |
| | 2007-07-13 | | Returned to Compliance |
| | 2007-07-12 | | Returned to Compliance |
| | 2007-02-08 | | Returned to Compliance |
| | 2006-11-05 | | Returned to Compliance |
| | 2006-11-04 | | Returned to Compliance |
| | 2006-11-03 | | Returned to Compliance |
| | 2006-10-01 | | Returned to Compliance |
| | 2006-02-01 | Yes | Returned to Compliance |