ANKENY, IA · Polk County

HICKORY HOLLOW WATER SERVICE, 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): IA7709396
System type: Community Water System
Population served: 375
Service connections: 150
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2002 – January 31, 2002
Resolved
Monitoring, Regular
—
Fluoride
January 1, 1993 – March 31, 1993
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
October 10, 1985 – October 9, 1986
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
October 1, 1984 – September 30, 1985
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
October 1, 1983 – September 30, 1984
Archived
Notification, Public
—
Fluoride
October 1, 1983 – September 30, 1986
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Fluoride
July 1, 1976 – June 30, 1979
Resolved

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
January 1, 2002 – January 31, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1993 – March 31, 1993	Monitoring, Regular	Fluoride	—	Resolved
October 10, 1985 – October 9, 1986	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived
October 1, 1984 – September 30, 1985	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived
October 1, 1983 – September 30, 1984	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived
October 1, 1983 – September 30, 1986	Notification, Public	Fluoride	—	Resolved
July 1, 1976 – June 30, 1979	Maximum Contaminant Level Violation, Average	Fluoride	Health-based	Resolved

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

Enforcement actions

June 5, 1996State Compliance achieved3 linked violations
November 19, 1993State Public Notification requested5 linked violations
November 19, 1993State Formal Notice of Violation issued1 linked violation
August 20, 1993State Formal Notice of Violation issued1 linked violation
May 14, 1993State Formal Notice of Violation issued3 linked violations
November 13, 1992State Public Notification requested1 linked violation
August 12, 1992State Public Notification requested3 linked violations
August 12, 1992State Public Notification requested4 linked violations
July 23, 1992State Public Notification received2 linked violations
December 24, 1991State Administrative/Compliance Order without penalty issued3 linked violations
January 19, 1982State Unresolved7 linked violations

Contact

THORPE WATER DEVELOPMENT COMPANY

515-289-2345

ANKENY, IA 50021