TISKILWA
PWSID: IL0111050 · Tiskilwa, IL · Serves 740 people
According to EPA Safe Drinking Water Information System (SDWIS), TISKILWA (PWSID IL0111050) in Tiskilwa, IL is listed as a CWS water system covering about 740 people. The same extract lists 2 health-based violation records spanning 1994-2024. Those 2 health-based rows for TISKILWA cover contaminants such as LEAD AND COPPER RULE REVISIONS, Lead and Copper Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
TISKILWA has 2 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 LEAD AND COPPER RULE REVISIONS, Lead and Copper Rule. Recorded violations span 1994–2024. 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)
- IL0111050
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Tiskilwa, IL
- Population Served
- 740
- Health Violations
- Yes (2)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
| Lead and Copper Rule | 1 | 1 |
Violation History (2)
| Contaminant | Health | Date |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Lead and Copper Rule | Yes | Jan 1, 1994 |
Frequently Asked Questions
What does EPA SDWIS list for TISKILWA?
How many people does TISKILWA serve?
What violations does TISKILWA have?
What contaminants have been found in TISKILWA water?
Compare beyond Illinois
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest TISKILWA on cumulative violation count (2) and EPA-reported population served (740). Violation-count peers include SAINT REGIS MOHAWK TRIBE, REDBY/RED LAKE, Kickapoo Traditional Tribe. Population peers include Covered Wells Regional, YAKUTAT PWS, JOHN KNOX VILLAGE.
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
TISKILWA (IL0111050) is drawn from EPA SDWIS. Nearby county systems in this extract include PRINCETON; SPRING VALLEY; DE PUE; WALNUT. Health-based rows (2 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.