Public Water Partners

LEAD, SD · Lawrence County

DEER MOUNTAIN SANITARY DISTRICT Water System

Consumer Confidence Report status

DEER MOUNTAIN SANITARY DISTRICT must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for DEER MOUNTAIN SANITARY DISTRICT.

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)
SD4600549
System type
Community Water System
Population served
125
Service connections
100
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

DEER MOUNTAIN SANITARY DISTRICT is one of 583 community water systems in South Dakota in the 500 or fewer people size category, serving 125 people from surface water.

As of August 1, 2026, its federal record holds 11 entries between 2000 and 2018, all of which EPA lists as closed. Nothing has been added since 2018.

Of the 11, 8 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 Surface Water Treatment Rules, the Stage 1 Disinfectants and Disinfection Byproducts Rule, and the Total Coliform Rules.

Violation history

  • Monitoring, Regular

    Nitrate

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    February 1, 2013 – February 28, 2013

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    January 6, 2013 – July 1, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2013 – March 31, 2013

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    December 1, 2012 – December 31, 2012

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2012 – July 1, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2011 – September 30, 2011

    Resolved
  • Monitoring, Source Water (LT2)

    Long Term 2 Enhanced Surface Water Treatment Rule

    July 2, 2008 – January 13, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 2007 – January 31, 2007

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2005 – June 30, 2005

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    November 1, 2000 – November 30, 2000

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Common questions

Is DEER MOUNTAIN SANITARY DISTRICT required to publish a Consumer Confidence Report?

Yes. DEER MOUNTAIN SANITARY DISTRICT is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is DEER MOUNTAIN SANITARY DISTRICT’s next Consumer Confidence Report due?

DEER MOUNTAIN SANITARY DISTRICT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does DEER MOUNTAIN SANITARY DISTRICT have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for DEER MOUNTAIN SANITARY DISTRICT.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

DEER MOUNTAIN SANITARY DISTRICT

Phone not on record

LEAD, SD 57754