MAPLE PARK
PWSID: IL0890500 · Maple Park, IL · Serves 1,484 people
According to EPA Safe Drinking Water Information System (SDWIS), MAPLE PARK (PWSID IL0890500) in Maple Park, IL is listed as a CWS water system covering about 1,484 people. The same extract lists 6 health-based violation records spanning 2025-2025. Those 6 health-based rows for MAPLE PARK cover contaminants such as Gross Alpha Particle Activity, Combined Radium (-226 and -228); they remain historical EPA registry entries, not a current compliance or drinkability score.
MAPLE PARK has 6 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 Gross Alpha Particle Activity, Combined Radium (-226 and -228). Recorded violations span 2025–2025. 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)
- IL0890500
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Maple Park, IL
- Population Served
- 1,484
- Health Violations
- Yes (6)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Gross Alpha Particle Activity | 3 | 3 |
| Combined Radium (-226 and -228) | 3 | 3 |
Violation History (6)
| Contaminant | Health | Date |
|---|---|---|
| Gross Alpha Particle Activity | Yes | Oct 1, 2025 |
| Combined Radium (-226 and -228) | Yes | Oct 1, 2025 |
| Combined Radium (-226 and -228) | Yes | Jul 1, 2025 |
| Combined Radium (-226 and -228) | Yes | Jul 1, 2025 |
| Gross Alpha Particle Activity | Yes | Jul 1, 2025 |
| Gross Alpha Particle Activity | Yes | Jul 1, 2025 |
Frequently Asked Questions
What does EPA SDWIS list for MAPLE PARK?
How many people does MAPLE PARK serve?
What violations does MAPLE PARK have?
What contaminants have been found in MAPLE PARK water?
Compare beyond Illinois
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest MAPLE PARK on cumulative violation count (6) and EPA-reported population served (1,484). Violation-count peers include CHEROKEE WATER SYSTEM, LAME DEER WATER SYSTEM, FOUR BEARS WATER SYSTEM. Population peers include MONTCALM COMMUNITY COLLEGE, SONTAG-WANILLA, BEATRICE, TOWN OF.
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
MAPLE PARK (IL0890500) is drawn from EPA SDWIS. Nearby county systems in this extract include CARPENTERSVILLE; ST CHARLES; BATAVIA; SOUTH ELGIN. Health-based rows (6 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.