WATERLOO, IA · Black Hawk County

BLACK HAWK COUNTY RURAL WATER Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of October 31, 1994. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Black Hawk County, IA.

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): IA0789067
System type: Community Water System
Population served: 1,400
Service connections: 289
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Nitrate
May 1, 1993 – May 31, 1993
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 1992 – July 31, 1992
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
March 1, 1992 – March 31, 1992
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 1990 – November 17, 1991
Resolved
Monitoring, Regular
—
Nitrate
April 1, 1990 – June 30, 1990
Resolved
Monitoring, Check/Repeat/Confirmation
—
Nitrate
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Fluoride
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
May 1, 1993 – May 31, 1993	Monitoring, Regular	Nitrate	—	Resolved
July 1, 1992 – July 31, 1992	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
March 1, 1992 – March 31, 1992	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
October 1, 1990 – November 17, 1991	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
April 1, 1990 – June 30, 1990	Monitoring, Regular	Nitrate	—	Resolved
April 1, 1989 – June 30, 1989	Monitoring, Check/Repeat/Confirmation	Nitrate	—	Archived
April 1, 1988 – March 31, 1991	Monitoring, Regular	Fluoride	—	Resolved

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

Enforcement actions

June 6, 1996State Compliance achieved1 linked violation
June 6, 1996State Compliance achieved7 linked violations
June 6, 1996State Compliance achieved2 linked violations
May 1, 1995State Intentional no-action2 linked violations
May 1, 1995State Intentional no-action2 linked violations
December 23, 1994State Public Notification requested1 linked violation
December 23, 1994State Formal Notice of Violation issued2 linked violations
December 23, 1994State Public Notification requested2 linked violations
December 20, 1994State Public Notification received4 linked violations
December 20, 1994State Public Notification received2 linked violations
December 20, 1994State Public Notification received3 linked violations
December 12, 1994State Formal Notice of Violation issued2 linked violations
October 31, 1994State Compliance achieved2 linked violations
October 31, 1994State Compliance achieved2 linked violations
October 21, 1994State Public Notification received17 linked violations
October 19, 1994State Compliance achieved1 linked violation
December 14, 1992State Bilateral Compliance Agreement signed1 linked violation
December 14, 1992State Bilateral Compliance Agreement signed1 linked violation
December 14, 1992State Administrative/Compliance Order with penalty issued1 linked violation
June 10, 1992State Public Notification received1 linked violation
April 16, 1992State Formal Notice of Violation issued1 linked violation
April 16, 1992State Formal Notice of Violation issued3 linked violations
March 18, 1992State Bilateral Compliance Agreement signed3 linked violations
December 10, 1991State Public Notification received1 linked violation
December 10, 1991State Public Notification received2 linked violations
December 10, 1991State Public Notification received6 linked violations
December 10, 1991State Public Notification received4 linked violations
December 10, 1991State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
November 17, 1991State Compliance achieved1 linked violation
November 17, 1991State Compliance achieved2 linked violations
November 17, 1991State Compliance achieved2 linked violations
November 4, 1991State Administrative/Compliance Order without penalty issued2 linked violations
November 4, 1991State Administrative/Compliance Order without penalty issued4 linked violations
November 4, 1991State Administrative/Compliance Order without penalty issued2 linked violations
November 4, 1991State Administrative/Compliance Order without penalty issued1 linked violation
November 4, 1991State Administrative/Compliance Order without penalty issued1 linked violation
October 29, 1991State Formal Notice of Violation issued2 linked violations
October 29, 1991State Formal Notice of Violation issued1 linked violation
October 29, 1991State Public Notification requested2 linked violations
October 29, 1991State Public Notification requested3 linked violations
October 29, 1991State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 29, 1991State Public Notification requested3 linked violations
October 29, 1991State Public Notification requested6 linked violations
October 29, 1991State Formal Notice of Violation issued2 linked violations
September 21, 1990State Public Notification received1 linked violation
September 3, 1990State Compliance achieved2 linked violations
August 23, 1990State Formal Notice of Violation issued2 linked violations

Last known contact on file (system is inactive)

Not on record

Phone not on record

WATERLOO, IA 507034774