Public water system record
Christiana Muni Water Auth
Serves Christiana, Lancaster County and Chester County, PA · 1,100 people served
Federal records show 3 health-based violations and 13 monitoring/reporting issues for Christiana Muni Water Auth in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 3
- Resolved
- 3
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 13
Key facts
- Christiana Muni Water Auth draws water from 3 wells.
- Most recent formal enforcement: signed compliance agreement by Pennsylvania, August 2010.
- Record on file since 1982, with 4 health-based violations before October 19, 2016.
- Lead pipe inventory: 3 lead and 12 unknown out of 428 service lines.
Check whether Christiana Muni Water Auth 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 |
|---|---|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
140 | Jul 1, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | May 1, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jun 1, 2019 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Groundwater Rule
Monitoring and reporting
|
Nov 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Jul 13, 2024 | Resolved |
|
Public Notice
OTHER
|
May 13, 2024 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2020 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
RPT
|
Sep 8, 2018 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Sep 8, 2018 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
Full record since 1982
EPA's records for Christiana Muni Water Auth go back to 1982. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 82 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 12 |
| 1990s | 0 | 2 |
| 2000s | 1 | 27 |
| 2010 to October 18, 2016 | 3 | 41 |
| October 19, 2016 to 2019 | 1 | 3 |
| 2020s | 2 | 8 |
Most recent health-based violation before October 19, 2016: Combined Radium (-226 and -228), began July 2010, Resolved.
Show all 4 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.634896 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
|
Jul 1, 2010 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.875238 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Apr 1, 2010 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.813333 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Jan 1, 2010 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 2004 | Resolved |
Enforcement actions
Pennsylvania regulators took 3 formal enforcement actions against Christiana Muni Water Auth between 2006 and 2010, filed as 5 records in EPA's data. The most recent was a signed compliance agreement in August 2010.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 4, 2010 | Pennsylvania | Signed compliance agreement | 2 violations (2 health-based): Combined Radium (-226 and -228) |
| Apr 26, 2010 | Pennsylvania | Signed compliance agreement | 4 violations (2 health-based): Public Notice, Combined Radium (-226 and -228) |
| Mar 1, 2006 | Pennsylvania | Consent decree or court judgment | 2 violations: Di(2-ethylhexyl) adipate, Atrazine |
What the violations mean
Groundwater Rule
3 incidentsThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
Where the water comes from
Christiana Muni Water Auth draws water from 3 wells. It also has an emergency connection to PA American Coatesville. 1 smaller public system such as schools, businesses or campgrounds buys water from Christiana Muni Water Auth.
Emergency or part-time connections to
- PA American Coatesville Coatesville, PA
Annual water quality report
Christiana Muni Water Auth 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 Pennsylvania.
Certified drinking water labs by state EPA guidance for private wells