Public water system record
Estelline
Serves Estelline, Hamlin County, SD · 749 people served
Federal records show 1 health-based violation and 2 monitoring/reporting issues for Estelline 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
- Estelline buys its water from Sioux Rural Water System.
- Most recent formal enforcement: compliance order with a penalty by South Dakota, July 2004.
- Record on file since 1976, with 21 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 1 unknown out of 332 service lines.
Check whether Estelline 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 | Mar 30, 2023 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Nitrate
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
Full record since 1976
EPA's records for Estelline go back to 1976. Before October 19, 2016 they list 21 health-based violations (21 resolved) and 61 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 2 |
| 1990s | 17 | 57 |
| 2000s | 4 | 1 |
| 2010 to October 18, 2016 | 0 | 1 |
| October 19, 2016 to 2019 | 0 | 2 |
| 2020s | 1 | 0 |
Most recent health-based violation before October 19, 2016: Nitrate (acute), began July 2007, Resolved.
Show all 21 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2005 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 2004 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1997 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 1996 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 1995 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 1994 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1994 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 1993 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1993 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1993 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1993 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1993 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 1993 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1993 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1993 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 1992 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1992 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1992 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Aug 6, 1990 | Resolved |
Enforcement actions
South Dakota regulators took 1 formal enforcement action against Estelline in 2004, filed as 2 records in EPA's data. The most recent was a compliance order with a penalty in July 2004.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jul 21, 2004 | South Dakota | Compliance order with a penalty | 2 violations (2 health-based): Nitrate |
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
Estelline buys its water from Sioux Rural Water System. It lists no wells or intakes of its own.
Buys water from
- Sioux Rural Water System Watertown, SD
Annual water quality report
Estelline 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