ESSEX PWS
PWSID: MO4010255 · Essex, MO · Serves 399 people
According to EPA Safe Drinking Water Information System (SDWIS), ESSEX PWS (PWSID MO4010255) in Essex, MO is listed as a CWS water system covering about 399 people. The same extract lists 11 health-based violation records spanning 2016-2023. Those 11 health-based rows for ESSEX PWS cover contaminants such as Stage 1 Disinfectants and Disinfection Byproducts Rule, Groundwater Rule, Revised Total Coliform Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
ESSEX PWS has 11 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 3 distinct EPA contaminant codes appear in this system's record, including Stage 1 Disinfectants and Disinfection Byproducts Rule, Groundwater Rule, Revised Total Coliform Rule. Recorded violations span 2016–2023. Day-to-day primacy enforcement for this system runs through the Missouri drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Missouri state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- MO4010255
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Essex, MO
- Population Served
- 399
- Health Violations
- Yes (11)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Stage 1 Disinfectants and Disinfection Byproducts Rule | 4 | 4 |
| Groundwater Rule | 4 | 4 |
| Revised Total Coliform Rule | 3 | 3 |
Violation History (11)
| Contaminant | Health | Date |
|---|---|---|
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Yes | Nov 3, 2023 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Yes | Nov 3, 2023 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Yes | Nov 3, 2023 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Yes | Nov 3, 2023 |
| Revised Total Coliform Rule | Yes | Jul 1, 2022 |
| Revised Total Coliform Rule | Yes | Jul 1, 2022 |
| Revised Total Coliform Rule | Yes | Jul 1, 2022 |
| Groundwater Rule | Yes | Dec 1, 2017 |
| Groundwater Rule | Yes | Dec 1, 2017 |
| Groundwater Rule | Yes | Nov 1, 2016 |
| Groundwater Rule | Yes | Nov 1, 2016 |
Frequently Asked Questions
What does EPA SDWIS list for ESSEX PWS?
How many people does ESSEX PWS serve?
What violations does ESSEX PWS have?
What contaminants have been found in ESSEX PWS water?
Compare beyond Missouri
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest ESSEX PWS on cumulative violation count (11) and EPA-reported population served (399). Violation-count peers include MICCOSUKEE TRIBE OF INDIANS, Arizona Village, WHITE SWAN.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
ESSEX PWS (MO4010255) is drawn from EPA SDWIS. Nearby county systems in this extract include DEXTER PWS; STODDARD COUNTY PWSD 1; BLOOMFIELD PWS; BERNIE PWS. Health-based rows (11 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.