Public Water Partners

SOLON, IA · Johnson County

TWIN VALLEY LAKES SOUTH Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of February 21, 1986. 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 Johnson County, IA.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
IA5282943
System type
Community Water System
Population served
55
Service connections
20
Ownership
privately owned
Water source
groundwater (wells)

TWIN VALLEY LAKES SOUTH is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, formerly serving 55 people from groundwater.

EPA's federal records list this system as inactive in 1986; the record below is historical.

As of August 1, 2026, its federal record holds 1 entry in 1981, all of which EPA lists as closed. Nothing has been added since 1981.

All 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Radionuclides and Revised Rad Rule.

Violation history

  • Monitoring, Regular

    —

    Gross Alpha, Excl. Radon and U

    October 1, 1981 – September 30, 1985

    Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Last known contact on file (system is inactive)

Not on record

Phone not on record

SOLON, IA 52333