Public water system record
City of Deer Park
Serves Deer Park, Harris County, TX · 34,495 people served
Federal records show 1 health-based violation and 12 monitoring/reporting issues for City of Deer Park 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
- No
- Monitoring issues, last 10 years
- 12
Key facts
- City of Deer Park buys its water from City of Houston.
- Record on file since 1983, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 4,263 unknown out of 12,308 service lines.
Check whether City of Deer Park 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
Treatment technique failure
|
110 | Aug 7, 2017 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2019 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Dec 1, 2018 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2018 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2018 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Aug 7, 2017 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jul 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
Full record since 1983
EPA's records for City of Deer Park go back to 1983. Before October 19, 2016 they list 1 health-based violation (1 archived by EPA without a recorded fix) and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 1 | 0 |
| 2010 to October 18, 2016 | 0 | 3 |
| October 19, 2016 to 2019 | 1 | 11 |
Most recent health-based violation before October 19, 2016: Fluoride, began February 1983, Archived.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Fluoride
Contaminant limit exceeded
|
Feb 2, 1983 | Archived |
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
City of Deer Park buys its water from City of Houston. EPA also lists 3 wells, all for emergency, seasonal or other part-time use.
Buys water from
- City of Houston Houston, TX
Annual water quality report
City of Deer Park 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 Texas.
Certified drinking water labs by state EPA guidance for private wells