Public water system record
Henry County PWSD 1
Serves an area of Henry County, MO that includes Clinton · 258 people served
Federal records show 3 health-based violations and 6 monitoring/reporting issues for Henry County PWSD 1 in the last ten years. The most serious issue in this window was a resolved Haloacetic Acids (HAA5) violation.
System profile
- Health-based violations, last 10 years
- 3
- Resolved
- 3
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 6
Key facts
- Henry County PWSD 1 buys its water from Harry S Truman PWSD 2.
- Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 62.7 µg/L, federal limit 60 µg/L (at or just above the limit), 2024.
- Record on file since 1997, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 101 unknown out of 101 service lines.
Check whether Henry County PWSD 1 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 |
|---|---|---|---|---|
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 61.2 µg/L, federal limit 60 µg/L (at or just above the limit)
|
220 | Oct 1, 2024 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 62 µg/L, federal limit 60 µg/L (at or just above the limit)
|
220 | Jul 1, 2024 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 62.7 µg/L, federal limit 60 µg/L (at or just above the limit)
|
220 | Apr 1, 2024 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Apr 21, 2025 | Active |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
Full record since 1997
EPA's records for Henry County PWSD 1 go back to 1997. Before October 19, 2016 they list no health-based violations and 7 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 0 | 3 |
| 2010 to October 18, 2016 | 0 | 3 |
| October 19, 2016 to 2019 | 0 | 2 |
| 2020s | 3 | 3 |
What the violations mean
Haloacetic Acids (HAA5)
3 incidentsHaloacetic acid byproducts exceeded the federal limit
Long-term exposure to HAAs may increase cancer risk
Where the water comes from
Henry County PWSD 1 buys its water from Harry S Truman PWSD 2. It lists no wells or intakes of its own. It also has an emergency connection to Henry County Water Company.
Buys water from
- Harry S Truman PWSD 2 Montrose, MO
Emergency or part-time connections to
- Henry County Water Company Clinton, MO
Annual water quality report
Henry County PWSD 1 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 Henry County PWSD 1 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