Public water system record
London City PWS
Serves London, Madison County, OH · 10,256 people served
Federal records show 1 health-based violation and 7 monitoring/reporting issues for London City PWS in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 7
Key facts
- London City PWS draws water from 6 wells.
- Most recent enforcement action: boil water order by Ohio, July 2022.
- Record on file since 1993, with 14 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 1,128 unknown out of 4,133 service lines.
Check whether London City PWS 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 |
|---|---|---|---|---|
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Jul 1, 2022 | Resolved | Yes |
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
|
Jul 2, 2025 | Active |
|
Consumer Confidence Rule
OTHER
|
Dec 20, 2024 | Active |
|
Consumer Confidence Rule
OTHER
|
Jan 25, 2024 | Resolved |
|
E. coli
Monitoring and reporting
|
Jul 21, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jan 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jan 21, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Sep 14, 2018 | Resolved |
Full record since 1993
EPA's records for London City PWS go back to 1993. Before October 19, 2016 they list 14 health-based violations (14 resolved) and 20 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 5 | 18 |
| 2000s | 5 | 2 |
| 2010 to October 18, 2016 | 4 | 0 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 1 | 6 |
Most recent health-based violation before October 19, 2016: Total Coliform, began January 2015, Resolved.
Show all 14 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2013 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jun 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2004 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Sep 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2003 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2000 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1996 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Oct 1, 1996 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1996 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Sep 1, 1996 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1993 | Resolved |
Enforcement actions
Ohio regulators issued 3 boil water orders to London City PWS between 1996 and 2022. The most recent was a boil water order in July 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jul 28, 2022 | Ohio | Boil water order | 1 violation (1 health-based): Revised Total Coliform Rule |
| Nov 19, 1996 | Ohio | Boil water order | 1 violation (1 health-based): Total Coliform |
| Sep 20, 1996 | Ohio | Boil water order | 1 violation (1 health-based): Total Coliform |
What the violations mean
Revised Total Coliform Rule
1 incidentThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Where the water comes from
London City PWS draws water from 6 wells.
Annual water quality report
London City PWS 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.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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 Ohio.
Certified drinking water labs by state EPA guidance for private wells