Public water system record
Newcastle
Serves Newcastle, McClain County, OK · 7,900 people served
Federal records show no health-based violations and 14 monitoring/reporting issues for Newcastle in the last ten years. At least one of these issues remains unresolved.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 14
Key facts
- Newcastle draws water from 4 wells.
- Most recent formal enforcement: compliance order with a penalty by Oklahoma, September 2008.
- Record on file since 1993, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 1,047 unknown out of 5,032 service lines.
Check whether Newcastle 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 |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2025 | Active |
|
Chlorine
Monitoring and reporting
|
Jun 1, 2025 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Feb 1, 2022 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Feb 1, 2022 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Nickel
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
Full record since 1993
EPA's records for Newcastle go back to 1993. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 19 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 2 | 3 |
| 2000s | 2 | 6 |
| 2010 to October 18, 2016 | 1 | 10 |
| 2020s | 0 | 4 |
Most recent health-based violation before October 19, 2016: Total Coliform, began July 2012, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1994 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Sep 1, 1993 | Resolved |
Enforcement actions
Oklahoma regulators took 2 formal enforcement actions against Newcastle between 2001 and 2008. The most recent was a compliance order with a penalty in September 2008.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 16, 2008 | Oklahoma | Compliance order with a penalty | 3 violations: Methoxychlor, BHC-GAMMA, Toxaphene |
| Jul 30, 2001 | Oklahoma | Compliance order with a penalty | 1 violation: Lead and Copper Rule |
Where the water comes from
Newcastle draws water from 4 wells. It also buys water from Oklahoma City. 4 other community water systems buy water from Newcastle.
Buys water from
- Oklahoma City Oklahoma City, OK
Community systems that buy water from it
- Blanchard Blanchard, OK
- Goldsby Water Auth Trust Goldsby, OK
- McClain County RW & SD #9 Norman, OK
- Tuttle Tuttle, OK
Annual water quality report
Newcastle 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