LEIGHTON, IA · Mahaska County

LEIGHTON WATERWORKS Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of July 22, 2003. 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 Mahaska County, IA.

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 Iowa’s official records. Always confirm current status with Iowa before making decisions based on this information.

System facts

System ID (PWSID): IA6259072
System type: Community Water System
Population served: 153
Service connections: 60
Ownership: local government
Water source: groundwater (wells)

Violation history

Notification, Public
—
Combined Radium (-226 and -228)
July 1, 1986 – September 30, 1986
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Combined Radium (-226 and -228)
October 1, 1985 – December 31, 1985
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 1984 – September 30, 1985
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 1986 – September 30, 1986	Notification, Public	Combined Radium (-226 and -228)	—	Resolved
October 1, 1985 – December 31, 1985	Maximum Contaminant Level Violation, Single Sample	Combined Radium (-226 and -228)	Health-based	Resolved
October 1, 1984 – September 30, 1985	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

December 19, 1990State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
November 21, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
November 21, 1990State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
October 1, 1990State Compliance achieved2 linked violations
October 1, 1990State Compliance achievedgeneral compliance action — not tied to a specific violation on record
May 17, 1988State Compliance achieved1 linked violation
January 27, 1988State Site Visit for enforcement purposes1 linked violation
December 15, 1986State Compliance achieved1 linked violation
December 15, 1985State Public Notification received63 linked violations

Last known contact on file (system is inactive)

Not on record

641-626-3122

LEIGHTON, IA 50143