EJ WATER-MCWC
PWSID: IL1350020 · Dieterich, IL · Serves 2,075 people
According to EPA Safe Drinking Water Information System (SDWIS), EJ WATER-MCWC (PWSID IL1350020) in Dieterich, IL is listed as a CWS water system covering about 2,075 people. The same extract lists 5 health-based violation records spanning 2019-2025. Those 5 health-based rows for EJ WATER-MCWC cover contaminants such as Interim Enhanced Surface Water Treatment Rule, Total Haloacetic Acids (HAA5); they remain historical EPA registry entries, not a current compliance or drinkability score.
EJ WATER-MCWC has 5 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. 2 distinct EPA contaminant codes appear in this system's record, including Interim Enhanced Surface Water Treatment Rule, Total Haloacetic Acids (HAA5). Recorded violations span 2019–2025. Day-to-day primacy enforcement for this system runs through the Illinois 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 Illinois state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- IL1350020
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Dieterich, IL
- Population Served
- 2,075
- Health Violations
- Yes (5)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | 3 | 3 |
| Total Haloacetic Acids (HAA5) | 2 | 2 |
Violation History (5)
| Contaminant | Health | Date |
|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | Yes | Dec 1, 2025 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Nov 1, 2025 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Oct 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2019 |
Frequently Asked Questions
What does EPA SDWIS list for EJ WATER-MCWC?
How many people does EJ WATER-MCWC serve?
What violations does EJ WATER-MCWC have?
What contaminants have been found in EJ WATER-MCWC water?
Compare beyond Illinois
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest EJ WATER-MCWC on cumulative violation count (5) and EPA-reported population served (2,075). Violation-count peers include Jemez Pueblo, Acoma Main, OMAHA TRIBE PWS. Population peers include CONSTANTINE, TOWN OF TAYLORSVILLE, EPCOR - TUBAC.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
EJ WATER-MCWC (IL1350020) is drawn from EPA SDWIS. Nearby county systems in this extract include EJ WATER COOPERATIVE; EFFINGHAM; LAKE SARA AREA WATER CO-OP, INC.; ALTAMONT. Health-based rows (5 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.