Public water system record
Hornersville PWS
Serves Hornersville, Dunklin County, MO · 526 people served
Federal records show 1 health-based violation and 39 monitoring/reporting issues for Hornersville 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
- 39
Key facts
- Hornersville PWS draws water from 1 well.
- Most recent enforcement action: boil water order by Missouri, September 2018.
- Record on file since 1992, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 253 unknown out of 258 service lines.
Check whether Hornersville 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 | Sep 1, 2018 | Resolved | Yes |
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
|
Nov 1, 2024 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Public Notice
OTHER
|
Jun 28, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2022 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2019 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Aldicarb
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Aldicarb sulfone
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Aldicarb sulfoxide
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Apr 1, 2011 | Resolved |
Full record since 1992
EPA's records for Hornersville PWS go back to 1992. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 59 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 4 | 32 |
| 2010 to October 18, 2016 | 1 | 26 |
| October 19, 2016 to 2019 | 1 | 1 |
| 2020s | 0 | 14 |
Most recent health-based violation before October 19, 2016: Arsenic, began April 2016, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 10.63 µg/L, federal limit 10 µg/L (1.1 times the limit)
|
Apr 1, 2016 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2000 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2000 | Resolved |
Enforcement actions
Missouri regulators issued 1 boil water order to Hornersville PWS in 2018. The most recent was a boil water order in September 2018.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 27, 2018 | Missouri | Boil water order | 1 violation (1 health-based): Revised Total Coliform Rule |
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
Hornersville PWS draws water from 1 well. It also has an emergency connection to Dunklin County PWSD 2.
Emergency or part-time connections to
- Dunklin County PWSD 2 Senath, MO
Annual water quality report
Hornersville 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.
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