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SCOTTS VALLEY WATER DISTRICT

PWS ID: CA4410013 · SCOTTS VALLEY, California 95066

PFAS Detected

3 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
11,197
Total Violations
21
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
3,958
County
Santa Cruz
School/Daycare
No
MCL Violations
6
Monitoring Violations
15
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 6 2009
Chlorine MR 4 2004
Coliform (TCR) MR 4 1994
ETHYLENE DIBROMIDE MR 2 2002
Asbestos MR 2 2002
Total Haloacetic Acids (HAA5) MR 1 2004
Lead and Copper Rule MR 1 1993
TTHM MR 1 2004

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 10 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
11Cl-PF3OUdS 5/29/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 5/29/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 5/29/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 5/29/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 5/29/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 5/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 5/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 5/29/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/29/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 5/29/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 5/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 5/29/2024 22.9000 µg/L 9 µg/L Detected
PFUnA 5/29/2024 <0.002 µg/L 0.002 µg/L Not Detected
HFPO-DA 5/29/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 5/29/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 5/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 5/29/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 5/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/29/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 5/29/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 5/29/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 5/29/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 5/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 5/29/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 5/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 5/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 5/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 5/20/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 5/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 5/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 5/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 5/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 5/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 5/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 5/20/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 5/20/2024 62.1000 µg/L 9 µg/L Detected
PFTrDA 5/20/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 5/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 5/20/2024 <0.006 µg/L 0.006 µg/L Not Detected
9Cl-PF3ONS 5/20/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFPeA 5/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 5/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 5/20/2024 <0.02 µg/L 0.02 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.