CheckPFAS

PFAS in Delaware Water

Based on EPA UCMR 5 testing of 25 public water systems in Delaware.

See Delaware on the national heatmap
25
Systems Tested
25
With PFAS Detected
14
Above EPA Limits
56%
Exceed MCL

Most Commonly Detected PFAS in Delaware

Systems with detections · EPA UCMR 5 (2023–2025)

PFPeA 14 systems
PFHxA 13 systems
PFOA 12 systems
PFBS 11 systems
PFOS 9 systems
lithium 8 systems

Check your Delaware ZIP code

Get specific results for your neighborhood's water utility.

Water Systems in Delaware (25)

Water System ↕ PWSID PFAS Detected ↕ Above MCL ↕ Risk
GEORGETOWN WATER DEPARTMENT
Groundwater
 DE0000592 11 3
High Risk
SUEZ WATER DELAWARE
Surface Water
 DE0000564 9 2
High Risk
ARTESIAN WATER COMPANY
Groundwater
 DE0000552 8 2
High Risk
NEWARK WATER DEPARTMENT, DE
Groundwater
 DE0000630 8 2
High Risk
REHOBOTH BEACH WATER DEPARTMENT
Groundwater
 DE0000723 7 2
High Risk
STAGE VILLAGE MHC
Groundwater
 DE0000569 5 2
High Risk
SMYRNA WATER DEPARTMENT
Groundwater
 DE0000657 5 2
High Risk
LEWES BOARD OF PUBLIC WORKS
Groundwater
 DE0000602 3 2
High Risk
WILMINGTON WATER DEPARTMENT
Surface Water
 DE0000663 6 1
High Risk
DEWEY BEACH WATER DEPARTMENT
Groundwater
 DE0000825 5 1
High Risk
REHOBOTH PUMP DISTRICT
Groundwater
 DE0000991 4 1
High Risk
ARTESIAN NORTHERN SUSSEX REGIONAL
Groundwater
 DE0020003 4 1
High Risk
BETHANY BAY PUMP DISTRICT
Groundwater
 DE0000221 1 1
High Risk
SOUTH BETHANY
Groundwater
 DE00A0323 1 1
High Risk
BAYSIDE PUMP DISTRICT
Groundwater
 DE00A0837 3 0
Low Level
SEAFORD WATER DEPARTMENT
Groundwater
 DE0000246 2 0
Low Level
MUNICIPAL SERVICES COMMISSION
Groundwater
 DE0000634 2 0
Low Level
GARRISON LAKE PUMP DISTRICT
Groundwater
 DE0000004 1 0
Low Level
CAMDEN PUMP DISTRICT
Groundwater
 DE0000124 1 0
Low Level
BRIDGEVILLE WATER DEPARTMENT
Groundwater
 DE0000559 1 0
Low Level
CAMDEN WYOMING SEWER AND WATER AUTHORITY
Groundwater
 DE0000563 1 0
Low Level
DOVER WATER DEPARTMENT
Groundwater
 DE0000571 1 0
Low Level
DOVER AIR FORCE BASE
Groundwater
 DE0000579 1 0
Low Level
MILFORD WATER DEPARTMENT
Groundwater
 DE0000616 1 0
Low Level
CHURCH CREEK
Groundwater
 DE00A0428 1 0
Low Level

Click any row to see ZIP-level details. Click PWSID to see the full utility page.