KAHULUI, HI · Maui County
OLOWALU 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)
- HI0000209
- System type
- Community Water System
- Population served
- 100
- Service connections
- 56
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Treatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
November 1, 1996 – November 30, 1996
ArchivedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
January 1, 1994 – January 31, 1994
ArchivedNotification, Public
—Coliform (Pre-TCR)
August 1, 1987 – August 31, 1987
ArchivedNotification, Public
—Coliform (Pre-TCR)
October 31, 1985 – January 30, 1986
ArchivedNotification, Public
—Coliform (Pre-TCR)
September 30, 1983 – December 29, 1983
ArchivedNotification, Public
—Coliform (Pre-TCR)
December 31, 1982 – January 30, 1983
ArchivedNotification, Public
—Coliform (Pre-TCR)
March 31, 1982 – April 30, 1982
ArchivedNotification, Public
—No contaminant on record
March 31, 1982 – June 30, 1982
ArchivedNotification, Public
—Coliform (Pre-TCR)
March 31, 1981 – June 30, 1981
ArchivedNotification, Public
—Coliform (Pre-TCR)
December 31, 1980 – March 30, 1981
ArchivedNotification, Public
—Coliform (Pre-TCR)
September 30, 1980 – October 29, 1980
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| November 1, 1996 – November 30, 1996 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Archived |
| January 1, 1994 – January 31, 1994 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Archived |
| August 1, 1987 – August 31, 1987 | Notification, Public | Coliform (Pre-TCR) | — | Archived |
| October 31, 1985 – January 30, 1986 | Notification, Public | Coliform (Pre-TCR) | — | Archived |
| September 30, 1983 – December 29, 1983 | Notification, Public | Coliform (Pre-TCR) | — | Archived |
| December 31, 1982 – January 30, 1983 | Notification, Public | Coliform (Pre-TCR) | — | Archived |
| March 31, 1982 – April 30, 1982 | Notification, Public | Coliform (Pre-TCR) | — | Archived |
| March 31, 1982 – June 30, 1982 | Notification, Public | — | — | Archived |
| March 31, 1981 – June 30, 1981 | Notification, Public | Coliform (Pre-TCR) | — | Archived |
| December 31, 1980 – March 30, 1981 | Notification, Public | Coliform (Pre-TCR) | — | Archived |
| September 30, 1980 – October 29, 1980 | Notification, Public | Coliform (Pre-TCR) | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- September 30, 1985State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- September 30, 1983State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- September 30, 1981State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
Contact
TAMAYOSE, LEA
808-877-4202
KAHULUI, HI 96732