Public Water Partners

BOISE, ID · Ada County

SOUTH COUNTY WATER COMPANY Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of December 1, 1998. 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 Ada County, ID.

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 Idaho’s official records. Always confirm current status with Idaho before making decisions based on this information.

System facts

System ID (PWSID)
ID4010136
System type
Community Water System
Population served
9,700
Service connections
3,783
Ownership
privately owned
Water source
groundwater (wells)

SOUTH COUNTY WATER COMPANY is one of 32 community water systems in Idaho in the 3,301 to 10,000 people size category, formerly serving 9,700 people from groundwater.

EPA's federal records list this system as inactive in 1998; the record below is historical.

As of August 1, 2026, its federal record holds 1 entry in 1994, all of which EPA lists as closed. Nothing has been added since 1994.

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 Total Coliform Rules.

Violation history

  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 1994 – September 30, 1994

    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

208-375-1130

BOISE, ID 83719