Public Water Partners

RAPID CITY, SD · Pennington County

SIPHON HILL WATER ASSOCIATION Water System

Consumer Confidence Report status

SIPHON HILL WATER ASSOCIATION 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 SIPHON HILL WATER ASSOCIATION.

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)
SD4600272
System type
Community Water System
Population served
68
Service connections
29
Ownership
privately owned
Water source
groundwater (wells)

SIPHON HILL WATER ASSOCIATION is one of 583 community water systems in South Dakota in the 500 or fewer people size category, serving 68 people from groundwater.

As of August 1, 2026, its federal record holds 77 entries between 1976 and 2001, all of which EPA lists as closed. Nothing has been added since 2001.

Of the 77, 66 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 volatile organic chemicals, the Total Coliform Rules, and synthetic organic chemicals.

Violation history

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 2001 – July 31, 2001

    Resolved
  • Notification, Public

    Lead and Copper Rule

    February 13, 2000 – March 12, 2000

    Archived
  • Notification, Public

    Coliform (TCR)

    November 14, 1999 – December 13, 1999

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 1999 – September 30, 1999

    Archived
  • Notification, Public

    Lead and Copper Rule

    February 9, 1999 – March 8, 1999

    Archived
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 1999 – December 31, 1999

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 1999 – December 31, 1999

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    January 1, 1999 – July 26, 2000

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 1999 – December 31, 1999

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 1999 – December 31, 1999

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 1999 – December 31, 1999

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 1999 – December 31, 1999

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 1999 – December 31, 1999

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 1999 – December 31, 1999

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 1999 – December 31, 1999

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 1998 – October 31, 1998

    Archived
  • Notification, Public

    Coliform (TCR)

    July 10, 1998 – August 9, 1998

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 1998 – May 31, 1998

    Archived
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    January 1, 1998 – July 26, 2000

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 1997 – October 31, 1997

    Archived
  • Monitoring, Regular

    Vinyl chloride

    July 1, 1997 – September 30, 1997

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    July 1, 1997 – September 30, 1997

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    July 1, 1997 – September 30, 1997

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    July 1, 1997 – September 30, 1997

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    July 1, 1997 – September 30, 1997

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    July 1, 1997 – September 30, 1997

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    April 1, 1997 – June 30, 1997

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    April 1, 1997 – June 30, 1997

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    April 1, 1997 – June 30, 1997

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    April 1, 1997 – June 30, 1997

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    April 1, 1997 – June 30, 1997

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    April 1, 1997 – June 30, 1997

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    April 1, 1997 – June 30, 1997

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    April 1, 1997 – June 30, 1997

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    April 1, 1997 – June 30, 1997

    Resolved
  • Notification, Public

    Coliform (TCR)

    March 8, 1997 – April 7, 1997

    Archived
  • Notification, Public

    Coliform (TCR)

    January 20, 1997 – February 19, 1997

    Archived
  • Notification, Public

    Coliform (TCR)

    December 14, 1996 – January 13, 1997

    Archived
  • Notification, Public

    Coliform (TCR)

    December 13, 1996 – January 12, 1997

    Archived
  • Monitoring, Regular

    Carbon tetrachloride

    October 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 1996 – October 31, 1996

    Archived
  • Monitoring, Regular

    Vinyl chloride

    October 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    October 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    October 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    October 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    October 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    October 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Benzene

    October 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Toluene

    October 1, 1996 – December 31, 1996

    Resolved
  • Notification, Public

    No contaminant on record

    September 17, 1996 – October 16, 1996

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 1996 – September 30, 1996

    Archived
  • Monitoring, Regular

    1,1-Dichloroethylene

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    July 1, 1996 – September 30, 1996

    Resolved
  • Notification, Public

    No contaminant on record

    April 16, 1996 – May 15, 1996

    Archived
  • Monitoring, Regular

    1,2-Dichloropropane

    April 1, 1996 – June 30, 1996

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 1996 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 1996 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 1996 – December 31, 1998

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 1996 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Aldicarb sulfone

    January 1, 1996 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 1996 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 1996 – December 31, 1998

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 1996 – December 31, 1998

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 1996 – December 31, 1998

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 1996 – March 31, 1996

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 1996 – March 31, 1996

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    April 1, 1995 – June 30, 1995

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    July 1, 1976 – June 30, 1980

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    July 1, 1976 – June 30, 1980

    Archived

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

Enforcement actions

Common questions

Is SIPHON HILL WATER ASSOCIATION required to publish a Consumer Confidence Report?

Yes. SIPHON HILL WATER ASSOCIATION 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 SIPHON HILL WATER ASSOCIATION’s next Consumer Confidence Report due?

SIPHON HILL WATER ASSOCIATION’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does SIPHON HILL WATER ASSOCIATION have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for SIPHON HILL WATER ASSOCIATION.

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

SIPHON HILL WATER ASSOCIATION

6053423175

RAPID CITY, SD 57702