Delaware PFAS compliance
PFAS contamination data for 500 water systems in Delaware, serving 1,307,967 people.
Total systems
500
Exceed MCL
13
At risk
0
Compliant
22
Settlement eligible
24
Delaware PFAS regulatory overview
State standards
Delaware follows federal EPA MCLs (PFOA/PFOS: 4 ppt).
DE follows federal EPA MCLs. PFAS investigation ongoing at Dover AFB and other sites.
Regulatory agency
Delaware follows federal EPA MCLs. PFAS contamination investigation at Dover AFB and industrial sites.
Get weekly PFAS compliance alerts for Delaware
Water systems
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|---|---|---|---|---|
| ARTESIAN WATER COMPANY DE0000552 | NEWARK | 231,114 | 23.1 | 6 | Exceeds |
| WILMINGTON WATER DEPARTMENT DE0000663 | WILMINGTON | 107,976 | 9.9 | — | Exceeds |
| VEOLIA WATER DELAWARE, INC DE0000564 | WILMINGTON | 100,495 | 24.4 | — | Exceeds |
| REHOBOTH PUMP DISTRICT (TUI) DE0000991 | DOVER | 81,417 | 4.4 | — | Exceeds |
| BETHANY BAY PUMP DISTRICT DE0000221 | DOVER | 51,000 | — | 6.1 | Exceeds |
| NEWARK WATER DEPARTMENT DE0000630 | NEWARK | 40,000 | 25.3 | 7.5 | Exceeds |
| DOVER WATER DEPARTMENT DE0000571 | DOVER | 39,491 | — | — | Compliant |
| DEWEY BEACH WATER DEPARTMENT DE0000825 | FRANKFORD | 31,000 | 11 | — | Exceeds |
| REHOBOTH BEACH WATER DEPARTMENT DE0000723 | REHOBOTH BEACH | 25,000 | 14.9 | 6.2 | Exceeds |
| ARTESIAN SOUTHERN SUSSEX REGIONAL DE00A0323 | NEWARK | 18,015 | — | 4.7 | Exceeds |
| MIDDLETOWN WATER DEPARTMENT DE0000614 | MIDDLETOWN | 17,700 | — | — | Compliant |
| CAMDEN PUMP DISTRICT DE0000124 | DOVER | 17,208 | — | — | Compliant |
| MEADOWS PUMP DISTRICT DE0000271 | DOVER | 14,538 | — | — | Compliant |
| GARRISON LAKE PUMP DISTRICT DE0000004 | DOVER | 13,467 | — | — | Compliant |
| SUSSEX SHORES WATER COMPANY DE0000557 | BETHANY BEACH | 12,450 | — | — | Compliant |
| BETHANY BEACH WATER DEPARTMENT DE0000556 | BETHANY BEACH | 12,000 | — | — | Compliant |
| SMYRNA WATER DEPARTMENT DE0000657 | SMYRNA | 11,813 | 9.8 | 6.7 | Exceeds |
| DOVER AIR FORCE BASE DE0000579 | DOVER | 11,000 | — | — | Compliant |
| LONG NECK WATER COMPANY DE0000625 | LONG NECK | 11,000 | — | — | Compliant |
| MILFORD WATER DEPARTMENT DE0000616 | MILFORD | 9,800 | — | — | Compliant |
| CHURCH CREEK (AWC) DE00A0428 | NEWARK | 9,654 | — | — | Compliant |
| LEWES BOARD OF PUBLIC WORKS DE0000602 | LEWES | 9,627 | 6.1 | 9.5 | Exceeds |
| MILLSBORO WATER DEPARTMENT DE0000622 | MILLSBORO | 8,568 | — | — | Compliant |
| BAYSIDE PUMP DISTRICT (TUI) DE00A0837 | DOVER | 8,400 | — | — | Compliant |
| GEORGETOWN WATER DEPARTMENT DE0000592 | GEORGETOWN | 7,259 | 36 | 14 | Exceeds |
| SEAFORD WATER DEPARTMENT DE0000246 | SEAFORD | 6,699 | — | — | Compliant |
| BRIDGEVILLE WATER DEPARTMENT DE0000559 | BRIDGEVILLE | 6,000 | — | — | Compliant |
| MUNICIPAL SERVICES COMMISSION DE0000634 | NEW CASTLE | 5,549 | — | — | Compliant |
| EAST NCC DISTRICT DE00A0334 | DOVER | 5,538 | — | — | Compliant |
| ARTESIAN NORTHERN SUSSEX REGIONAL DE0020003 | NEWARK | 5,511 | 5.7 | — | Exceeds |
| CAMDEN WYOMING SEWER AND WATER AUTHORITY DE0000563 | CAMDEN | 5,000 | — | — | Compliant |
| NORTH WEST PUMP DISTRICT DE00A0347 | DOVER | 4,149 | — | — | Compliant |
| LAUREL WATER DEPARTMENT DE0000597 | LAUREL | 3,984 | — | — | Compliant |
| ELKTON WEST MD0070015 | NEWARK | 3,500 | — | — | Compliant |
| DELMAR UTILITY COMM (TN OF DELMAR) DE0000567 | DELMAR | 2,027 | — | — | Compliant |