LEWIS, IA · Cass County

LEWIS 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): IA1535078
System type: Community Water System
Population served: 357
Service connections: 200
Ownership: local government
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
March 1, 2025 – March 31, 2025
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
June 1, 2003 – August 31, 2003
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
October 1, 1981 – September 30, 1982
Archived

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
March 1, 2025 – March 31, 2025	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
June 1, 2003 – August 31, 2003	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
October 1, 1981 – September 30, 1982	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Archived

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

Enforcement actions

May 19, 2025State Compliance achieved2 linked violations
March 19, 2025State Formal Notice of Violation issued2 linked violations
October 25, 2023State Formal Notice of Violation issued3 linked violations
July 24, 2003State Public Notification received2 linked violations
July 10, 2003State Violation/Reminder Notice4 linked violations
July 8, 2003State Public Notification requested3 linked violations
October 18, 1999State Compliance achieved1 linked violation
August 8, 1996State Public Notification requested1 linked violation
October 6, 1995State Compliance achieved1 linked violation
October 6, 1995State Compliance achieved2 linked violations
August 3, 1993State Public Notification requested5 linked violations
August 3, 1993State Formal Notice of Violation issued5 linked violations
August 3, 1993State Formal Notice of Violation issued3 linked violations
May 19, 1992State Formal Notice of Violation issued3 linked violations
August 15, 1987State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
February 16, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record

Contact

LEWIS WATER SUPPLY

712-249-3198

LEWIS, IA 51544