WINFRED, SD · Lake County

GRACEVALE COLONY Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of July 1, 1999. 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 Lake County, SD.

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

System facts

System ID (PWSID): SD4602079
System type: Community Water System
Population served: 100
Service connections: 1
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1997 – November 30, 1997
Archived
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
July 1, 1996 – September 30, 1996
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
September 1, 1995 – September 30, 1995
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1995 – September 23, 1996
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1995 – April 30, 1995
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 1993 – December 31, 1995
Resolved

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

Period	Violation	Contaminant / rule	Health-based	Status
November 1, 1997 – November 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 1996 – September 30, 1996	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
September 1, 1995 – September 30, 1995	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 1995 – September 23, 1996	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
April 1, 1995 – April 30, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1994 – December 31, 1994	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1993 – December 31, 1995	Monitoring, Regular	Glyphosate	—	Resolved

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

Enforcement actions

October 15, 1998Federal Compliance achieved8 linked violations
December 22, 1997State Compliance achieved2 linked violations
August 6, 1997State Public Notification requested7 linked violations
May 12, 1997State Public Notification requested11 linked violations
January 14, 1997State Public Notification requested10 linked violations
October 17, 1996State Public Notification issued35 linked violations
September 30, 1996State Compliance achieved11 linked violations
September 23, 1996State Compliance achieved5 linked violations
August 7, 1996State Intentional no-action4 linked violations
January 24, 1996State Public Notification requested7 linked violations
January 9, 1996State Public Notification received5 linked violations
December 13, 1995State Public Notification requested13 linked violations
November 27, 1995State Public Notification received3 linked violations
October 20, 1995State Public Notification received2 linked violations
October 12, 1995State Public Notification received1 linked violation
October 2, 1995State Public Notification requested4 linked violations
September 1, 1995State Intentional no-action4 linked violations
June 26, 1995State Public Notification received3 linked violations
June 13, 1995State Public Notification received2 linked violations
May 30, 1995State Public Notification requested5 linked violations
May 16, 1995State Public Notification received1 linked violation
May 2, 1995State Compliance achieved3 linked violations
February 3, 1995State Compliance achieved12 linked violations
August 19, 1994State Public Notification received3 linked violations
May 2, 1994State Public Notification received1 linked violation
October 6, 1993State Compliance achieved3 linked violations
August 4, 1993State Compliance achieved1 linked violation

Last known contact on file (system is inactive)

Not on record

605-256-6948

WINFRED, SD 57076