Drinking Water Compliance OS

ENCINO, AK · Anchorage Municipality County

RIVIERA TERRACE TC Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

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

System facts

System ID (PWSID)
AK2210451
System type
Community Water System
Population served
435
Service connections
143
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    August 6, 2020 – October 30, 2020

    Resolved
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    August 6, 2020 – October 30, 2020

    Resolved
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    August 6, 2020 – September 30, 2020

    Resolved
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    August 6, 2020 – October 30, 2020

    Resolved
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    August 2, 2020 – September 30, 2020

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2019 – December 31, 2019

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2017 – September 26, 2018

    Resolved
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    April 6, 2013 – August 18, 2017

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2012 – September 30, 2012

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 1999 – December 31, 2000

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 1999 – December 31, 2000

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 1999 – December 31, 2000

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 1999 – December 31, 2000

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 1999 – December 31, 2000

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 1999 – December 31, 2000

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 1999 – December 31, 2000

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 1999 – December 31, 2000

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 1999 – December 31, 2000

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 1999 – December 31, 2000

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

    Lead and Copper Rule

    January 1, 1997 – February 22, 1999

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 1996 – September 30, 1996

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 1996 – August 31, 1996

    Archived
  • Monitoring, Regular

    Dinoseb

    October 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Methoxychlor

    October 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    October 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Toxaphene

    October 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    2,4-D

    October 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    October 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Aldicarb

    October 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Aldicarb sulfoxide

    October 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Aldicarb sulfone

    October 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Atrazine

    October 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Chlordane

    October 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    October 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Heptachlor

    October 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    October 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    October 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    October 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Endrin

    October 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Diquat

    October 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Picloram

    October 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Simazine

    October 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 1995 – July 31, 1995

    Archived
  • Monitoring, Regular

    Methoxychlor

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Toxaphene

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    2,4-D

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Aldicarb

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Aldicarb sulfoxide

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Aldicarb sulfone

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Chlordane

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Heptachlor

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Endrin

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Dinoseb

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Diquat

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Picloram

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Simazine

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Dinoseb

    April 1, 1995 – June 30, 1995

    Resolved
  • Monitoring, Regular

    Simazine

    April 1, 1995 – June 30, 1995

    Resolved
  • Monitoring, Regular

    Picloram

    April 1, 1995 – June 30, 1995

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    April 1, 1995 – June 30, 1995

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    April 1, 1995 – June 30, 1995

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    April 1, 1995 – June 30, 1995

    Resolved
  • Monitoring, Regular

    Heptachlor

    April 1, 1995 – June 30, 1995

    Resolved
  • Monitoring, Regular

    Chlordane

    April 1, 1995 – June 30, 1995

    Resolved
  • Monitoring, Regular

    Atrazine

    April 1, 1995 – June 30, 1995

    Resolved
  • Monitoring, Regular

    Aldicarb sulfone

    April 1, 1995 – June 30, 1995

    Resolved
  • Monitoring, Regular

    Aldicarb sulfoxide

    April 1, 1995 – June 30, 1995

    Resolved
  • Monitoring, Regular

    Aldicarb

    April 1, 1995 – June 30, 1995

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    April 1, 1995 – June 30, 1995

    Resolved
  • Monitoring, Regular

    2,4-D

    April 1, 1995 – June 30, 1995

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    April 1, 1995 – June 30, 1995

    Resolved
  • Monitoring, Regular

    Methoxychlor

    April 1, 1995 – June 30, 1995

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Aldicarb

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Aldicarb sulfoxide

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Aldicarb sulfone

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 1993 – October 31, 1993

    Archived
  • Monitoring, Regular

    Chromium

    June 30, 1986 – June 30, 1989

    Resolved
  • Monitoring, Regular

    Fluoride

    June 30, 1986 – June 30, 1989

    Resolved
  • Monitoring, Regular

    Mercury

    June 30, 1986 – June 30, 1989

    Resolved
  • Monitoring, Regular

    Barium

    June 30, 1986 – June 30, 1989

    Resolved
  • Monitoring, Regular

    Arsenic

    June 30, 1986 – June 30, 1989

    Resolved
  • Monitoring, Regular

    Nitrate

    June 30, 1986 – June 30, 1989

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    June 30, 1985 – June 30, 1989

    Resolved
  • Monitoring, Regular

    Mercury

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Fluoride

    October 1, 1979 – October 31, 1979

    Archived

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

Enforcement actions

Contact

JOHNSON, CAMERON

818-825-5488

ENCINO, CA 91436