HAWARDEN, IA · Sioux County

HAWARDEN WATER SUPPLY 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): IA8434040
System type: Community Water System
Population served: 2,700
Service connections: 1,058
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Nitrate
July 1, 1996 – September 30, 1996
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
July 1, 1991 – July 31, 1991
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
April 1, 1991 – December 16, 1991
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1990 – July 31, 1990
Resolved
Monitoring, Regular
—
Barium
July 1, 1988 – June 30, 1991
Resolved
Monitoring, Regular
—
Chromium
July 1, 1988 – June 30, 1991
Resolved
Monitoring, Regular
—
Fluoride
July 1, 1988 – June 30, 1991
Resolved
Monitoring, Regular
—
Mercury
July 1, 1988 – June 30, 1991
Resolved
Monitoring, Regular
—
Selenium
July 1, 1988 – June 30, 1991
Resolved
Monitoring, Regular
—
Arsenic
July 1, 1988 – June 30, 1991
Resolved
Monitoring, Regular
—
Cadmium
July 1, 1988 – June 30, 1991
Resolved
Monitoring, Regular
—
Selenium
July 1, 1985 – April 18, 1988
Resolved
Monitoring, Regular
—
Fluoride
July 1, 1985 – April 18, 1988
Resolved
Monitoring, Regular
—
Arsenic
July 1, 1985 – April 18, 1988
Resolved
Monitoring, Regular
—
Chromium
July 1, 1985 – April 18, 1988
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 1996 – September 30, 1996	Monitoring, Regular	Nitrate	—	Resolved
July 1, 1991 – July 31, 1991	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 1991 – December 16, 1991	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 1990 – July 31, 1990	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 1988 – June 30, 1991	Monitoring, Regular	Barium	—	Resolved
July 1, 1988 – June 30, 1991	Monitoring, Regular	Chromium	—	Resolved
July 1, 1988 – June 30, 1991	Monitoring, Regular	Fluoride	—	Resolved
July 1, 1988 – June 30, 1991	Monitoring, Regular	Mercury	—	Resolved
July 1, 1988 – June 30, 1991	Monitoring, Regular	Selenium	—	Resolved
July 1, 1988 – June 30, 1991	Monitoring, Regular	Arsenic	—	Resolved
July 1, 1988 – June 30, 1991	Monitoring, Regular	Cadmium	—	Resolved
July 1, 1985 – April 18, 1988	Monitoring, Regular	Selenium	—	Resolved
July 1, 1985 – April 18, 1988	Monitoring, Regular	Fluoride	—	Resolved
July 1, 1985 – April 18, 1988	Monitoring, Regular	Arsenic	—	Resolved
July 1, 1985 – April 18, 1988	Monitoring, Regular	Chromium	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

August 5, 2019State Compliance achieved6 linked violations
May 6, 2019State Public Notification received1 linked violation
October 17, 2018State Public Notification requested2 linked violations
October 17, 2018State Formal Notice of Violation issued4 linked violations
November 1, 1999State Compliance achieved3 linked violations
June 28, 1999State Public Notification received2 linked violations
October 19, 1996State Formal Notice of Violation issued4 linked violations
March 12, 1996State Compliance achieved1 linked violation
March 12, 1996State Compliance achieved1 linked violation
March 12, 1996State Compliance achieved1 linked violation
February 29, 1996State Public Notification requested1 linked violation
February 29, 1996State Public Notification requested5 linked violations
February 29, 1996State Formal Notice of Violation issued5 linked violations
February 29, 1996State Formal Notice of Violation issued2 linked violations
February 29, 1996State Public Notification requested2 linked violations
February 29, 1996State Public Notification requested2 linked violations
February 29, 1996State Public Notification requested3 linked violations
March 18, 1994State Public Notification requested3 linked violations
February 7, 1994State Compliance achieved2 linked violations
September 1, 1993State Compliance achieved17 linked violations
September 1, 1993State Compliance achieved2 linked violations
September 1, 1993State Compliance achieved1 linked violation
September 1, 1993State Compliance achieved1 linked violation
February 22, 1993State Administrative/Compliance Order with penalty issued1 linked violation
February 22, 1993State Administrative/Compliance Order with penalty issued2 linked violations
December 16, 1991State Compliance achieved2 linked violations
November 21, 1991State Bilateral Compliance Agreement signed1 linked violation
November 20, 1991State Administrative/Compliance Order without penalty issued4 linked violations
November 20, 1991State Administrative/Compliance Order without penalty issuedgeneral compliance action — not tied to a specific violation on record
November 20, 1991State Administrative/Compliance Order without penalty issuedgeneral compliance action — not tied to a specific violation on record
November 20, 1991State Administrative/Compliance Order without penalty issued3 linked violations
November 20, 1991State Administrative/Compliance Order without penalty issued2 linked violations
November 20, 1991State Administrative/Compliance Order without penalty issued1 linked violation
November 20, 1991State Administrative/Compliance Order without penalty issued4 linked violations
October 28, 1991State Public Notification received2 linked violations
October 28, 1991State Public Notification received3 linked violations
October 4, 1991State Formal Notice of Violation issued3 linked violations
October 4, 1991State Public Notification requested1 linked violation
September 5, 1991State Public Notification received3 linked violations
August 20, 1991State Public Notification requested3 linked violations
September 14, 1990State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
July 22, 1990State Formal Notice of Violation issued3 linked violations
July 22, 1990State Public Notification requested2 linked violations
June 25, 1990State Public Notification requested1 linked violation
June 25, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
January 31, 1990State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
December 12, 1989State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
December 12, 1989State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 12, 1989State Public Notification requested2 linked violations
April 18, 1988State Compliance achieved1 linked violation
April 18, 1988State Compliance achieved1 linked violation
April 18, 1988State Compliance achievedgeneral compliance action — not tied to a specific violation on record
April 18, 1988State Compliance achieved1 linked violation
April 18, 1988State Compliance achieved1 linked violation
April 18, 1988State Compliance achieved1 linked violation
February 10, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record

Contact

HAWARDEN WATER SUPPLY

712-551-2565

HAWARDEN, IA 51023