FLAGG TWP, IL · Ogle County

ASKVIG IMPRV ASSN Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of October 1, 1987. 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 Ogle County, IL.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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): IL1415150
System type: Community Water System
Population served: 294
Service connections: 84
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Nitrate
February 1, 1987 – October 1, 1987
Archived
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
February 1, 1984 – January 31, 1987
Archived
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
February 1, 1981 – January 31, 1984
Archived

Archived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
February 1, 1987 – October 1, 1987	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Archived
February 1, 1984 – January 31, 1987	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Archived
February 1, 1981 – January 31, 1984	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	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

Phone not on record

FLAGG TWP, IL