CASCADE, IA · Dubuque County

CASCADE MUNICIPAL 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): IA3118080
System type: Community Water System
Population served: 2,386
Service connections: 1,055
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2010 – January 31, 2010
Resolved
Monitoring, Regular
—
Nitrate
October 1, 1998 – December 31, 1998
Archived
Monitoring, Regular
—
Barium
April 1, 1988 – March 31, 1991
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, 2010 – January 31, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 1998 – December 31, 1998	Monitoring, Regular	Nitrate	—	Archived
April 1, 1988 – March 31, 1991	Monitoring, Regular	Barium	—	Resolved

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

Enforcement actions

April 1, 1991State Compliance achieved1 linked violation
April 1, 1991State Compliance achieved3 linked violations
April 1, 1991State Compliance achieved3 linked violations
April 1, 1991State Compliance achieved1 linked violation
April 1, 1991State Compliance achieved2 linked violations
October 24, 1990State Compliance achievedgeneral compliance action — not tied to a specific violation on record
October 24, 1990State Compliance achieved1 linked violation
June 19, 1989State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
June 19, 1989State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
May 22, 1989State Compliance achievedgeneral compliance action — not tied to a specific violation on record
May 22, 1989State Compliance achievedgeneral compliance action — not tied to a specific violation on record
September 30, 1984Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record

Contact

CASCADE MUNICIPAL WATER SUPPLY

563-852-3114

CASCADE, IA 52033