Public water system record
Copper Oaks I
On record as serving New Underwood and Rapid City, Pennington County, SD · Serves 64 people
Federal records show 1 health-based violation and 2 monitoring/reporting issues for Copper Oaks I in the last ten years. The most serious issue in this window was a resolved Stage 1 Disinfection Byproducts Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 2
Key facts
- Copper Oaks I buys its water from Oaks Water Users Association.
- Record on file since 1993, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 24 service lines.
Check whether Copper Oaks I 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 |
|---|---|---|---|---|
|
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
|
210 | Nov 29, 2023 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Chlorine
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2023 | Resolved |
Full record since 1993
EPA's records for Copper Oaks I go back to 1993. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 22 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 22 |
| 2010 to October 18, 2016 | 1 | 0 |
| 2020s | 1 | 2 |
Most recent health-based violation before October 19, 2016: Stage 1 Disinfection Byproducts Rule, began February 2015, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
|
Feb 1, 2015 | Resolved |
What the violations mean
Stage 1 Disinfection Byproducts Rule
1 incidentThe system did not meet a treatment requirement of the Stage 1 Disinfectants and Disinfection Byproducts Rule
Byproducts form when disinfectants react with natural material in water. Long-term exposure above federal limits may increase cancer risk
Where the water comes from
Copper Oaks I buys its water from Oaks Water Users Association. It lists no wells or intakes of its own.
Buys water from
- Oaks Water Users Association New Underwood, SD
Annual water quality report
Copper Oaks I 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 Copper Oaks I 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