WAILUKU, HI · Maui County

MAKAWAO 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): HI0000213
System type: Community Water System
Population served: 29,868
Service connections: 6,675
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
May 1, 2008 – May 31, 2008
Archived
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Picloram
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2008 – May 6, 2010
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 1998 – November 30, 1998
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 1998 – April 30, 1998
Archived
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
May 1, 1996 – May 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, 1996 – February 29, 1996
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 1995 – December 31, 1995
Archived
Notification, Public
—
Coliform (Pre-TCR)
September 1, 1987 – September 30, 1987
Archived

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
May 1, 2008 – May 31, 2008	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Picloram	—	Resolved
January 1, 2008 – May 6, 2010	Monitoring, Regular	CYANIDE	—	Resolved
November 1, 1998 – November 30, 1998	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
April 1, 1998 – April 30, 1998	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
February 1, 1998 – February 28, 1998	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
December 1, 1996 – December 31, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
October 1, 1996 – October 31, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
May 1, 1996 – May 31, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
March 1, 1996 – March 31, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
February 1, 1996 – February 29, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
December 1, 1995 – December 31, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
September 1, 1987 – September 30, 1987	Notification, Public	Coliform (Pre-TCR)	—	Archived

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

Enforcement actions

September 30, 1987State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
September 30, 1981State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Contact

PEARSON, JEFF

808-270-7834

WAILUKU, HI 96793-2155