DAWSON, IA · Dallas County

DAWSON WATER WORKS 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): IA2525010
System type: Community Water System
Population served: 116
Service connections: 81
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2025 – September 30, 2025
Archived
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2025 – July 31, 2025
Archived
Water Quality Parameter M/R
—
Lead and Copper Rule
May 1, 2025 – May 31, 2025
Archived
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2013 – October 2, 2013
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
June 1, 2004 – July 17, 2007
Resolved
Monitoring, Regular
—
Nitrate
April 1, 1993 – June 30, 1993
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1992 – July 31, 1992
Resolved
Monitoring, Regular
—
Nitrate
July 1, 1991 – September 30, 1991
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 1991 – May 31, 1991
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 1989 – January 22, 1990
Resolved
Monitoring, Regular
—
Arsenic
October 1, 1986 – September 30, 1989
Resolved
Monitoring, Regular
—
Chromium
October 1, 1986 – September 30, 1989
Resolved
Monitoring, Regular
—
Mercury
October 1, 1986 – September 30, 1989
Resolved
Monitoring, Regular
—
Selenium
October 1, 1986 – September 30, 1989
Resolved
Monitoring, Regular
—
Cadmium
October 1, 1986 – September 30, 1989
Resolved
Monitoring, Regular
—
Barium
October 1, 1986 – September 30, 1989
Resolved
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

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

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2025 – September 30, 2025	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
July 1, 2025 – July 31, 2025	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Archived
May 1, 2025 – May 31, 2025	Water Quality Parameter M/R	Lead and Copper Rule	—	Archived
July 1, 2013 – October 2, 2013	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2004 – July 17, 2007	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	Nitrate	—	Resolved
July 1, 1992 – July 31, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 1991 – September 30, 1991	Monitoring, Regular	Nitrate	—	Resolved
May 1, 1991 – May 31, 1991	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 1989 – January 22, 1990	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 1986 – September 30, 1989	Monitoring, Regular	Arsenic	—	Resolved
October 1, 1986 – September 30, 1989	Monitoring, Regular	Chromium	—	Resolved
October 1, 1986 – September 30, 1989	Monitoring, Regular	Mercury	—	Resolved
October 1, 1986 – September 30, 1989	Monitoring, Regular	Selenium	—	Resolved
October 1, 1986 – September 30, 1989	Monitoring, Regular	Cadmium	—	Resolved
October 1, 1986 – September 30, 1989	Monitoring, Regular	Barium	—	Resolved
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

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

Enforcement actions

September 30, 2025State Public Notification requested1 linked violation
September 30, 2025State Formal Notice of Violation issued1 linked violation
September 22, 2025State Formal Notice of Violation issued1 linked violation
September 22, 2025State Public Notification requested1 linked violation
September 22, 2025State Formal Notice of Violation issued1 linked violation
September 22, 2025State Public Notification requested1 linked violation
April 14, 2025State Public Notification received1 linked violation
October 31, 2024State Public Notification received2 linked violations
October 31, 2024State Public Notification received2 linked violations
October 9, 2024State Formal Notice of Violation issued2 linked violations
July 17, 2024State Public Notification requested2 linked violations
December 19, 2023State Compliance achieved2 linked violations
December 18, 2023State Formal Notice of Violation issued2 linked violations
August 15, 2023State Formal Notice of Violation issued2 linked violations
June 25, 2021State Public Notification received3 linked violations
October 21, 2020State Public Notification requested4 linked violations
August 3, 2007State Public Notification received6 linked violations
November 14, 2006State Public Notification requested4 linked violations
February 19, 1998State Compliance achieved1 linked violation
March 4, 1997State Compliance achieved2 linked violations
January 27, 1997State Public Notification requested3 linked violations
January 27, 1997State Formal Notice of Violation issued8 linked violations
October 28, 1993State Formal Notice of Violation issued2 linked violations
July 21, 1992State Formal Notice of Violation issued3 linked violations
April 22, 1992State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
March 18, 1992State Administrative/Compliance Order with penalty issued1 linked violation
March 18, 1992State Administrative/Compliance Order with penalty issued2 linked violations
February 20, 1992State Formal Notice of Violation issued3 linked violations
November 12, 1991State Public Notification requested2 linked violations
September 5, 1991State Compliance achieved4 linked violations
September 5, 1991State Compliance achieved2 linked violations
February 15, 1990State Administrative/Compliance Order without penalty issued1 linked violation
January 22, 1990State Compliance achieved3 linked violations
July 5, 1988State Compliance achieved1 linked violation
June 15, 1988State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
June 15, 1988State Public Notification requested2 linked violations
September 30, 1984Federal issued Formal Notice of Violation1 linked violation
February 16, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
February 10, 1982State Unresolved1 linked violation

Contact

DAWSON WATER WORKS

515-979-6728

DAWSON, IA 50066