Public water system record
Missouri City PWS
Serves Missouri City, Clay County, MO · 254 people served
Federal records show no health-based violations and 2 monitoring/reporting issues for Missouri City PWS in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 2
Key facts
- Missouri City PWS buys its water from Clay County PWSD 4.
- Most recent enforcement action: boil water order by Missouri, May 2011.
- Record on file since 1992, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 19 service lines.
Check whether Missouri 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2019 | Resolved |
Full record since 1992
EPA's records for Missouri City PWS go back to 1992. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 33 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 12 |
| 2000s | 0 | 17 |
| 2010 to October 18, 2016 | 2 | 4 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform (acute), began May 2011, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform (acute)
Contaminant limit exceeded
|
May 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2011 | Resolved |
Enforcement actions
Missouri regulators and EPA took 2 formal enforcement actions against Missouri City PWS and issued 1 boil water order between 1995 and 2011. The most recent was a boil water order in May 2011.
| Date | By | Action | Violations covered |
|---|---|---|---|
| May 31, 2011 | Missouri | Boil water order | 1 violation (1 health-based): Total Coliform |
| Aug 18, 2000 | EPA | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
| Oct 17, 1995 | Missouri | Signed compliance agreement | 1 violation: Lead and Copper Rule |
Where the water comes from
Missouri City PWS buys its water from Clay County PWSD 4. It lists no wells or intakes of its own.
Buys water from
- Clay County PWSD 4 Liberty, MO
Annual water quality report
Missouri 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 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Missouri City PWS for a copy.
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 Missouri.
Certified drinking water labs by state EPA guidance for private wells