Drinking Water Compliance OS

WAILUKU, HI · Maui County

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

System facts

System ID (PWSID)
HI0000215
System type
Community Water System
Population served
7,686
Service connections
2,346
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Monitoring, Regular

    Nitrate

    January 1, 2010 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 2008 – May 3, 2010

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    2,3,7,8-TCDD

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2008 – December 31, 2010

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    June 1, 1998 – June 30, 1998

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    May 1, 1998 – May 31, 1998

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    February 1, 1998 – February 28, 1998

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    December 1, 1996 – December 31, 1996

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    October 1, 1996 – October 31, 1996

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    March 1, 1996 – March 31, 1996

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    February 1, 1994 – February 28, 1994

    Archived
  • Notification, Public

    Coliform (Pre-TCR)

    November 1, 1984 – November 30, 1984

    Archived
  • Notification, Public

    Coliform (Pre-TCR)

    August 31, 1981 – September 30, 1981

    Archived

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

Enforcement actions

Contact

PEARSON, JEFF

808-270-7834

WAILUKU, HI 96793-2155