Public water system record

Olowalu

Serves Olowalu, Launiupoko and Lahaina, Maui County, HI · 100 people served

Federal records show no health-based violations and no monitoring or reporting issues for Olowalu in the last ten years.

  • HI0000209
  • KAHULUI
  • HI
  • 100 served

System profile

Source water Groundwater
ZIP 96732
EPA system ID HI0000209

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
0

Key facts

  • Olowalu draws water from 1 well.
  • Most recent formal enforcement: civil case concluded by Hawaii, June 1996.
  • Record on file since 1980, with 38 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 58 unknown out of 72 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

None since October 2016, and no monitoring or reporting violations either.

Full record since 1980

EPA's records for Olowalu go back to 1980. Before October 19, 2016 they list 38 health-based violations (3 resolved, 35 archived by EPA without a recorded fix) and 11 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 10
1990s 38 1

Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began November 1996, Archived.

Show all 38 health-based violations before October 19, 2016
Contaminant Start date Status
Surface Water Treatment Rule
Treatment technique failure
Nov 1, 1996 Archived
Surface Water Treatment Rule
Treatment technique failure
Jun 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
May 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
Apr 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
Mar 1, 1996 Archived
Surface Water Treatment Rule
Treatment technique failure
Feb 1, 1996 Archived
Surface Water Treatment Rule
Treatment technique failure
Jan 1, 1996 Archived
Surface Water Treatment Rule
Treatment technique failure
Dec 1, 1995 Archived
Surface Water Treatment Rule
Treatment technique failure
Nov 1, 1995 Archived
Surface Water Treatment Rule
Treatment technique failure
Oct 1, 1995 Archived
Surface Water Treatment Rule
Treatment technique failure
Sep 1, 1995 Archived
Surface Water Treatment Rule
Treatment technique failure
Aug 1, 1995 Archived
Surface Water Treatment Rule
Treatment technique failure
Jul 1, 1995 Archived
Surface Water Treatment Rule
Treatment technique failure
Jun 1, 1995 Archived
Surface Water Treatment Rule
Treatment technique failure
May 1, 1995 Archived
Surface Water Treatment Rule
Treatment technique failure
Apr 1, 1995 Archived
Surface Water Treatment Rule
Treatment technique failure
Mar 1, 1995 Archived
Surface Water Treatment Rule
Treatment technique failure
Feb 1, 1995 Archived
Surface Water Treatment Rule
Treatment technique failure
Jan 1, 1995 Archived
Surface Water Treatment Rule
Treatment technique failure
Dec 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
Nov 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
Oct 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
Sep 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
Aug 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
Jul 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
Jun 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
May 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
Apr 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
Mar 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
Feb 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
Jan 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
Dec 1, 1993 Archived
Surface Water Treatment Rule
Treatment technique failure
Nov 1, 1993 Archived
Surface Water Treatment Rule
Treatment technique failure
Oct 1, 1993 Archived
Surface Water Treatment Rule
Treatment technique failure
Sep 1, 1993 Archived
Surface Water Treatment Rule
Treatment technique failure
Aug 1, 1993 Archived
Surface Water Treatment Rule
Treatment technique failure
Jul 1, 1993 Archived
Surface Water Treatment Rule
Treatment technique failure
Jun 30, 1993 Archived

Enforcement actions

Hawaii regulators took 1 formal enforcement action against Olowalu in 1996. The most recent was a civil case concluded in June 1996.

Date By Action Violations covered
Jun 21, 1996 Hawaii Civil case concluded 3 violations (3 health-based): Surface Water Treatment Rule

Where the water comes from

Olowalu draws water from 1 well.

Annual water quality report

Olowalu must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Olowalu for a copy.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Hawaii.