Public water system record
Grant-Roberts Rural Water System
Serves an area of Grant County, Roberts County and 1 more county, SD that includes Milbank, South Shore, Big Stone City and 9 more places · 5,050 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Grant-Roberts Rural Water System 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
- 1
Key facts
- Grant-Roberts Rural Water System draws water from 6 wells.
- Record on file since 1998, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 1 unknown out of 3,538 service lines.
Check whether Grant-Roberts Rural Water System 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 |
|---|---|---|
|
Nitrate
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
Full record since 1998
EPA's records for Grant-Roberts Rural Water System go back to 1998. Before October 19, 2016 they list no health-based violations and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2010 to October 18, 2016 | 0 | 1 |
| 2020s | 0 | 1 |
Where the water comes from
Grant-Roberts Rural Water System draws water from 6 wells. 5 other community water systems buy water from Grant-Roberts Rural Water System.
Community systems that buy water from it
- Big Stone City Big Stone City, SD
- Corona Corona, SD
- Marietta Marietta, MN
- Nassau Nassau, MN
- Wilmot Wilmot, SD
Annual water quality report
Grant-Roberts Rural Water System 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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