Essex, MO 63846
3 water systems • 1,322 residents
Moderate water quality - consider filtration
Score: 49/100
Graded on EPA violations, contaminants, severity, compliance, and enforcement history. See methodology.
Data updated June 2026 • Sources: EPA ECHO and EPA Envirofacts
30
Contaminants Detected
210
Violations on Record
58
Health-Based Violations
0
Recent Violations
Grade Breakdown
49 / 100 points
Recommended Water Filters
- ✓Point-of-Use Carbon Filter (NSF-certified for lead)
- ✓Ultraviolet (UV) Purification
Consult a water quality specialist for personalized recommendations.
Essex vs MO & National Average
Detected Contaminants
30 contaminants detected across water systems serving this ZIP code
| Contaminant | Category |
|---|---|
| Lead and Copper Rule | Heavy Metal |
| LEAD AND COPPER RULE REVISIONS | Heavy Metal |
| Coliform (TCR) | Microorganism |
| Revised Total Coliform Rule | Microorganism |
| 1,1,1-Trichloroethane | Other |
| 1,1,2-Trichloroethane | Other |
| 1,2-Dichloropropane | Other |
| Consumer Confidence Rule | Other |
| DICHLOROMETHANE | Other |
| Groundwater Rule | Other |
| Public Notice | Other |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Other |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | Other |
| Gross Alpha, Excl. Radon and U | Radiological |
| 1,1-Dichloroethylene | Volatile Organic |
| 1,2-Dichloroethane | Volatile Organic |
| 1,2,4-Trichlorobenzene | Volatile Organic |
| Benzene | Volatile Organic |
| Carbon tetrachloride | Volatile Organic |
| CHLOROBENZENE | Volatile Organic |
| cis-1,2-Dichloroethylene | Volatile Organic |
| Ethylbenzene | Volatile Organic |
| p-Dichlorobenzene | Volatile Organic |
| Styrene | Volatile Organic |
| Tetrachloroethylene | Volatile Organic |
| Toluene | Volatile Organic |
| trans-1,2-Dichloroethylene | Volatile Organic |
| Trichloroethylene | Volatile Organic |
| Vinyl chloride | Volatile Organic |
| Xylenes, Total | Volatile Organic |
Water System Information
- Systems Serving This ZIP:
- ESSEX PWS, STODDARD COUNTY PWSD 3, STODDARD COUNTY PWSD 7
- Population Served:
- 1,322
- Systems With Violations:
- 3 of 3
- Major Violations:
- 43
- Enforcement Actions:
- 210
Frequently Asked Questions
What does the grade mean?
Our A–F grade ranks this ZIP code's water quality against every other analyzed ZIP in the country, based on EPA data. A = among the best, F = among the most troubled.
Is my tap water safe to drink?
Water systems regulated by the EPA must comply with Safe Drinking Water Act standards. However, if you're concerned about water quality, consider a water filter appropriate for your contaminants.
How often is the data updated?
We update our data quarterly with the latest EPA ECHO and Envirofacts data. Historical violations are tracked to identify patterns.
What filters do you recommend?
Filter recommendations are based on detected contaminants in your area. See our Filter Guide for detailed information about different filter types.