WHITTEMORE, IA · Kossuth County

OAK LAKE MAINTENANCE, INC. Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

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): IA5500838
System type: Community Water System
Population served: 128
Service connections: 53
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2019 – June 30, 2019
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 1993 – March 31, 1997
Resolved
Monitoring, Regular
—
Nitrate
October 1, 1991 – September 30, 1994
Resolved
Monitoring, Regular
—
Nitrate
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Selenium
September 30, 1980 – September 29, 1983
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
June 1, 2019 – June 30, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
April 1, 1993 – March 31, 1997	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
October 1, 1991 – September 30, 1994	Monitoring, Regular	Nitrate	—	Resolved
June 24, 1982 – June 23, 1985	Monitoring, Regular	Nitrate	—	Archived
September 30, 1980 – September 29, 1983	Monitoring, Regular	Selenium	—	Archived

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

Enforcement actions

July 29, 2019State Compliance achieved2 linked violations
July 18, 2019State Formal Notice of Violation issued5 linked violations
September 26, 2018State Compliance achieved5 linked violations
September 24, 2018State Public Notification requested2 linked violations
June 15, 2015State Public Notification received9 linked violations
June 15, 2015State Public Notification received2 linked violations
November 24, 2014State Compliance achieved2 linked violations
November 24, 2014State Compliance achieved2 linked violations
November 24, 2014State Compliance achieved3 linked violations
November 18, 2014State Formal Notice of Violation issued2 linked violations
November 18, 2014State Formal Notice of Violation issued3 linked violations
November 18, 2014State Public Notification requested3 linked violations
November 3, 2005State Public Notification received1 linked violation
October 28, 2005State Public Notification requested2 linked violations
December 1, 1997State Compliance achieved3 linked violations
December 1, 1997State Compliance achieved3 linked violations
November 18, 1997State Compliance achieved1 linked violation
September 4, 1997State Formal Notice of Violation issued2 linked violations
September 4, 1997State Public Notification requested2 linked violations
September 4, 1997State Public Notification requested1 linked violation
September 4, 1997State Formal Notice of Violation issued1 linked violation
September 4, 1997State Public Notification requested1 linked violation
September 4, 1997State Public Notification requested3 linked violations
September 4, 1997State Public Notification requested2 linked violations
September 4, 1997State Public Notification requested1 linked violation
July 6, 1988State Compliance achievedgeneral compliance action — not tied to a specific violation on record
June 27, 1988State Public Notification requested1 linked violation
February 18, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
January 26, 1982State Unresolved1 linked violation
January 21, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record

Contact

OAK LAKE MAINTENANCE

515-320-1122

WHITTEMORE, IA 50598