Public water system record
Sterling PWA
Serves Sterling, Comanche County, OK · 762 people served
Federal records show 1 health-based violation and 12 monitoring/reporting issues for Sterling PWA in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 12
Key facts
- Sterling PWA draws water from 4 wells.
- Most recent enforcement action: boil water order by Oklahoma, April 1997.
- Record on file since 1992, with 8 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 291 unknown out of 305 service lines.
Check whether Sterling PWA 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 |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Nickel
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
Full record since 1992
EPA's records for Sterling PWA go back to 1992. Before October 19, 2016 they list 8 health-based violations (8 resolved) and 10 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 8 | 2 |
| 2000s | 0 | 4 |
| 2010 to October 18, 2016 | 0 | 4 |
| 2020s | 1 | 11 |
Most recent health-based violation before October 19, 2016: Total Coliform, began February 1997, Resolved.
Show all 8 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 1997 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1997 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 1996 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 1996 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1996 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 1995 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1995 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1992 | Resolved |
Enforcement actions
Oklahoma regulators issued 1 boil water order to Sterling PWA in 1997. The most recent was a boil water order in April 1997.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Apr 10, 1997 | Oklahoma | Boil water order | 1 violation |
What the violations mean
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Sterling PWA draws water from 4 wells.
Annual water quality report
Sterling PWA 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 Oklahoma.
Certified drinking water labs by state EPA guidance for private wells