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Public water system record

Maunaloa-Kaluakoi

Serves Maunaloa, Maui County, HI · 1,000 people served

Federal records show no health-based violations and 1 monitoring/reporting issue for Maunaloa-Kaluakoi in the last ten years. At least one of these issues remains unresolved.

  • HI0000231
  • MAUNALOA
  • HI
  • 1,000 served

System profile

Source water Purchased groundwater
ZIP 96770
EPA system ID HI0000231

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
1

Key facts

  • Maunaloa-Kaluakoi buys its water from Kualapuu.
  • Record on file since 1980, with 9 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 350 unknown out of 675 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.

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2022 Active

Full record since 1980

EPA's records for Maunaloa-Kaluakoi go back to 1980. Before October 19, 2016 they list 9 health-based violations (8 resolved, 1 archived by EPA without a recorded fix) and 30 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 23
1990s 4 4
2000s 3 3
2010 to October 18, 2016 2 0
2020s 0 1

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began January 2016, Resolved.

Show all 9 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.08275 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 Jan 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jul 1, 2015 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jan 1, 2007 Archived
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
 Oct 1, 2005 Resolved
CARBON, TOTAL
Treatment technique failure
 Jul 1, 2005 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Sep 1, 1993 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Aug 1, 1993 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jul 1, 1993 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jun 30, 1993 Resolved

Where the water comes from

Maunaloa-Kaluakoi buys its water from Kualapuu. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Maunaloa-Kaluakoi 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.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

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.

Certified drinking water labs by state EPA guidance for private wells