Public water system record
Prairie Haven Subdivision
On record as serving Rapid City, Pennington County, SD · Serves 105 people
Federal records show 3 health-based violations and no monitoring/reporting issues for Prairie Haven Subdivision in the last ten years. The most serious issue in this window was a resolved Gross Alpha, Excl. Radon and U violation.
System profile
- Health-based violations, last 10 years
- 3
- Resolved
- 3
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Prairie Haven Subdivision draws water from 1 well.
- Highest measured level in the last 10 years: Gross Alpha, Excl. Radon and U, 18 pCi/L, federal limit 15 pCi/L (1.2 times the limit), 2025.
- Lead pipe inventory: 0 lead and 16 unknown out of 46 service lines.
Check whether Prairie Haven Subdivision serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
|
340 | Apr 1, 2025 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
340 | Jan 1, 2025 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
340 | Oct 1, 2024 | Resolved | No |
What the violations mean
Gross Alpha, Excl. Radon and U
3 incidentsTest results for Gross Alpha, Excl. Radon and U were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about each of these violations.
Where the water comes from
Prairie Haven Subdivision draws water from 1 well.
Annual water quality report
Prairie Haven Subdivision must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Prairie Haven Subdivision for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by South Dakota.
Certified drinking water labs by state EPA guidance for private wells