ILLIOPOLIS, IL · Sangamon County
FORMOSA PLASTICS Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of May 6, 2005. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in Sangamon County, IL.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Illinois’s official records. Always confirm current status with Illinois before making decisions based on this information.
System facts
- System ID (PWSID)
- IL1675110
- System type
- Community Water System
- Population served
- 1
- Service connections
- 3
- Ownership
- privately owned
- Water source
- groundwater (wells)
FORMOSA PLASTICS is one of 1,572 community water systems in Illinois in the 500 or fewer people size category, formerly serving 1 people from groundwater.
EPA's federal records list this system as inactive in 2005; the record below is historical.
As of August 1, 2026, its federal record holds 2 entries between 1977 and 1998, all of which EPA lists as closed. Nothing has been added since 1998.
Of the 2, 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Lead and Copper Rule and the Radionuclides and Revised Rad Rule.
Violation history
OCCT/SOWT Study/Recommendation
Health-basedLead and Copper Rule
November 23, 1998 – May 6, 2005
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
June 30, 1977 – June 29, 1981
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| November 23, 1998 – May 6, 2005 | OCCT/SOWT Study/Recommendation | Lead and Copper Rule | Health-based | Archived |
| June 30, 1977 – June 29, 1981 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
No enforcement actions on record for this system.
Last known contact on file (system is inactive)
Not on record
217-486-6500
ILLIOPOLIS, IL 62539