LAKE FOREST
PWSID: IL0970800 · Lake Forest, IL · Serves 19,642 people
According to EPA Safe Drinking Water Information System (SDWIS), LAKE FOREST (PWSID IL0970800) in Lake Forest, IL is listed as a CWS water system covering about 19,642 people. The same extract lists 5 health-based violation records spanning 1992-2024. Those 5 health-based rows for LAKE FOREST cover contaminants such as CARBON, TOTAL, Lead and Copper Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
LAKE FOREST 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 CARBON, TOTAL, Lead and Copper Rule. Recorded violations span 1992–2024. 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)
- IL0970800
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Lake Forest, IL
- Population Served
- 19,642
- Health Violations
- Yes (5)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| CARBON, TOTAL | 3 | 3 |
| Lead and Copper Rule | 2 | 2 |
Violation History (5)
| Contaminant | Health | Date |
|---|---|---|
| CARBON, TOTAL | Yes | Jul 1, 2024 |
| CARBON, TOTAL | Yes | Jul 1, 2024 |
| CARBON, TOTAL | Yes | Jul 1, 2024 |
| Lead and Copper Rule | Yes | Jan 1, 1994 |
| Lead and Copper Rule | Yes | Dec 7, 1992 |
Frequently Asked Questions
What does EPA SDWIS list for LAKE FOREST?
How many people does LAKE FOREST serve?
What violations does LAKE FOREST have?
What contaminants have been found in LAKE FOREST water?
Compare beyond Illinois
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest LAKE FOREST on cumulative violation count (5) and EPA-reported population served (19,642). Violation-count peers include Jemez Pueblo, Acoma Main, OMAHA TRIBE PWS. Population peers include LIBERAL, CITY OF, BELLE CHASSE WATER DISTRICT, SMITHTOWN WATER DISTRICT.
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
LAKE FOREST (IL0970800) is drawn from EPA SDWIS. Nearby county systems in this extract include WAUKEGAN; BUFFALO GROVE; MUNDELEIN; GURNEE. 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.