PlainWater
States → Maryland

CHESAPEAKE COMPLEX

PWS ID: MD1020003 · PASADENA, Maryland 21122

PFAS Detected

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

Population Served
4,785
Total Violations
8
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
5
County
Anne Arundel
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
7
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 5 2009
Lead and Copper Rule MR 2 2018

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFMPA 9/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/18/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 9/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 9/18/2023 13.0000 µg/L 9 µg/L Detected
PFTA 9/18/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 9/18/2023 <0.007 µg/L 0.007 µg/L Not Detected
8:2 FTS 9/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 9/18/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFBA 9/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 9/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 9/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 9/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/18/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/18/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 9/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 9/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 3/6/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 3/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 3/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 3/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 3/6/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 3/6/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFUnA 3/6/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFNA 3/6/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 3/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 3/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 3/6/2023 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 3/6/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 3/6/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFOS 3/6/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 3/6/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFEESA 3/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 3/6/2023 13.0000 µg/L 9 µg/L Detected
ADONA 3/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 3/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 3/6/2023 <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.