PlainWater

HAWAIIAN BEACHES

PWS ID: HI0000117 · PAHOA, Hawaii 96778

Population Served
3,546
Total Violations
19
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
1,304
County
Hawaii
School/Daycare
No
MCL Violations
7
Monitoring Violations
0
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 7 1991

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFDA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/18/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 7/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 7/18/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 7/18/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/18/2023 <0.006 µg/L 0.006 µg/L Not Detected
lithium 7/18/2023 <9 µg/L 9 µg/L Not Detected
PFHxA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 7/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/18/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 7/18/2023 <0.002 µg/L 0.002 µg/L Not Detected
HFPO-DA 1/17/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 1/17/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 1/17/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 1/17/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 1/17/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 1/17/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 1/17/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 1/17/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 1/17/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 1/17/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 1/17/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 1/17/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 1/17/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 1/17/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 1/17/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 1/17/2023 <0.004 µg/L 0.004 µg/L Not Detected
lithium 1/17/2023 <9 µg/L 9 µg/L Not Detected
NMeFOSAA 1/17/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFPeA 1/17/2023 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 1/17/2023 <0.005 µg/L 0.005 µg/L Not Detected
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.