Public Water Partners

LONG LAKE, SD · McPherson County

LONG LAKE Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of January 1, 2018. 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 McPherson County, SD.

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

System facts

System ID (PWSID)
SD4602348
System type
Community Water System
Population served
25
Service connections
17
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

LONG LAKE is one of 583 community water systems in South Dakota in the 500 or fewer people size category, formerly serving 25 people from surface water.

EPA's federal records list this system as inactive in 2018; the record below is historical.

As of August 1, 2026, its federal record holds 1 entry in 2017, all of which EPA lists as closed. Nothing has been added since 2017.

None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Public Notice Rule and Revised PN Rule.

Violation history

  • Public Notification Violation for NPDWR Violation

    —

    Public Notice

    December 9, 2017 – January 1, 2018

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Last known contact on file (system is inactive)

LONG LAKE

Phone not on record

LONG LAKE, SD 57457