MODESTO
PWSID: IL1170600 · Modesto, IL · Serves 182 people
According to EPA Safe Drinking Water Information System (SDWIS), MODESTO (PWSID IL1170600) in Modesto, IL is listed as a CWS water system covering about 182 people. The same extract lists 13 health-based violation records spanning 2017-2025. Those 13 health-based rows for MODESTO cover contaminants such as CARBON, TOTAL, Interim Enhanced Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
MODESTO has 13 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 CARBON, TOTAL, Interim Enhanced Surface Water Treatment Rule. Recorded violations span 2017–2025. 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)
- IL1170600
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Modesto, IL
- Population Served
- 182
- Health Violations
- Yes (13)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| CARBON, TOTAL | 7 | 7 |
| Interim Enhanced Surface Water Treatment Rule | 6 | 6 |
Violation History (13)
| Contaminant | Health | Date |
|---|---|---|
| CARBON, TOTAL | Yes | Apr 1, 2025 |
| CARBON, TOTAL | Yes | Apr 1, 2025 |
| CARBON, TOTAL | Yes | Jan 1, 2025 |
| CARBON, TOTAL | Yes | Jan 1, 2025 |
| CARBON, TOTAL | Yes | Jan 1, 2025 |
| CARBON, TOTAL | Yes | Jan 1, 2025 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Oct 1, 2021 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Oct 1, 2021 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Oct 1, 2021 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Oct 1, 2021 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Sep 1, 2021 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Sep 1, 2021 |
| CARBON, TOTAL | Yes | Apr 1, 2017 |
Frequently Asked Questions
What does EPA SDWIS list for MODESTO?
How many people does MODESTO serve?
What violations does MODESTO have?
What contaminants have been found in MODESTO water?
Compare beyond Illinois
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest MODESTO on cumulative violation count (13) and EPA-reported population served (182). Violation-count peers include SCUA Lower Peridot, Cocopah Bend RV & Golf Resort, BETHEL HEIGHTS WATER SYSTEM.
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
MODESTO (IL1170600) is drawn from EPA SDWIS. Nearby county systems in this extract include STAUNTON; GILLESPIE; VIRDEN; HENDERSON PWD. Health-based rows (13 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.