Public water system record
Essex PWS
Serves Essex, Stoddard County, MO · 399 people served
Federal records show 4 health-based violations and 7 monitoring/reporting issues for Essex PWS in the last ten years. The most serious issue in this window was a resolved Stage 1 Disinfection Byproducts Rule violation.
System profile
- Health-based violations, last 10 years
- 4
- Resolved
- 4
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 7
Key facts
- Essex PWS draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
- Most recent enforcement action: boil water order by Missouri, July 2022.
- Record on file since 1994, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 250 unknown out of 262 service lines.
Check whether Essex 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 |
|---|---|---|---|---|
|
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
|
210 | Nov 3, 2023 | Resolved | No |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Jul 1, 2022 | Resolved | Yes |
|
Groundwater Rule
Treatment technique failure
|
140 | Dec 1, 2017 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Nov 1, 2016 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Groundwater Rule
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Mar 1, 2025 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Sep 1, 2024 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
May 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Dec 28, 2023 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Jun 1, 2021 | Resolved |
Full record since 1994
EPA's records for Essex PWS go back to 1994. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 24 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 2 | 22 |
| 2010 to October 18, 2016 | 3 | 1 |
| October 19, 2016 to 2019 | 2 | 0 |
| 2020s | 2 | 7 |
Most recent health-based violation before October 19, 2016: Groundwater Rule, began January 2014, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
Jan 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2013 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Jul 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2003 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2001 | Resolved |
Enforcement actions
Missouri regulators issued 2 boil water orders to Essex PWS between 2017 and 2022. The most recent was a boil water order in July 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jul 26, 2022 | Missouri | Boil water order | 1 violation (1 health-based): Revised Total Coliform Rule |
| Dec 2, 2017 | Missouri | Boil water order | 1 violation |
What the violations mean
Groundwater Rule
2 incidentsThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
Stage 1 Disinfection Byproducts Rule
1 incidentThe system did not meet a treatment requirement of the Stage 1 Disinfectants and Disinfection Byproducts Rule
Byproducts form when disinfectants react with natural material in water. Long-term exposure above federal limits may increase cancer risk
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
Essex PWS draws water from 2 wells (1 of them for emergency, seasonal or other part-time use). It also has an emergency connection to Stoddard County PWSD 3. 1 other public water system has an emergency connection to Essex PWS.
Emergency or part-time connections to
- Stoddard County PWSD 3 Essex, MO
Annual water quality report
Essex 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 Essex 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