Public water system record
Mni Wiconi WTP / Coreline
Serves an area of Stanley County, SD · 25 people served
Federal records show no health-based violations and 11 monitoring/reporting issues for Mni Wiconi WTP / Coreline in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 11
Key facts
- Mni Wiconi WTP / Coreline draws water from 1 surface water intake.
- Record on file since 2002, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 2 service lines.
Check whether Mni Wiconi WTP / Coreline 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
CARBON, TOTAL
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Sep 29, 2022 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
CYANIDE
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2018 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
Full record since 2002
EPA's records for Mni Wiconi WTP / Coreline go back to 2002. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 1 | 0 |
| 2010 to October 18, 2016 | 0 | 1 |
| October 19, 2016 to 2019 | 0 | 3 |
| 2020s | 0 | 8 |
Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began August 2002, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
Aug 1, 2002 | Resolved |
Where the water comes from
Mni Wiconi WTP / Coreline draws water from 1 surface water intake. 5 other community water systems buy water from Mni Wiconi WTP / Coreline.
Community systems that buy water from it
- Kyle Water System Pine Ridge, SD
- Sicangu Mni Wiconi Rural Water System Rosebud, SD
- WR/LJ - Mni Wiconi Murdo, SD
- WR/LJ - North Stanley County Murdo, SD
- Wanblee East Pine Ridge, SD
Annual water quality report
Mni Wiconi WTP / Coreline 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 Mni Wiconi WTP / Coreline 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 EPA Region 8.
Certified drinking water labs by state EPA guidance for private wells