Public water system record
Cass County PWSD 9
Serves an area of Cass County, MO that includes Harrisonville and Gunn City · 6,063 people served
Federal records show no health-based violations and no monitoring or reporting issues for Cass County PWSD 9 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
- 0
Key facts
- Cass County PWSD 9 buys its water from Tri County Water Authority.
- Record on file since 1991, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 2 lead and 1,615 unknown out of 2,429 service lines.
Check whether Cass County PWSD 9 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, and no monitoring or reporting violations either.
Full record since 1991
EPA's records for Cass County PWSD 9 go back to 1991. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 2 |
| 2010 to October 18, 2016 | 1 | 0 |
Most recent health-based violation before October 19, 2016: Total Coliform, began September 2010, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2010 | Resolved |
Where the water comes from
Cass County PWSD 9 buys its water from Tri County Water Authority. It lists no wells or intakes of its own. It also has an emergency connection to Cass County PWSD 4. 1 other public water system has an emergency connection to Cass County PWSD 9.
Buys water from
- Tri County Water Authority Independence, MO
Emergency or part-time connections to
- Cass County PWSD 4 Harrisonville, MO
Annual water quality report
Cass County PWSD 9 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 Missouri.
Certified drinking water labs by state EPA guidance for private wells