| 164TH Street Aretesian Well |
| Alderwood Water and Wastewater District |
| City of Arlington Sewer Service |
| City of Bothell Sewer Service |
| City of Edmonds Sewer Service |
| City of Everett Sewer Service |
| City of Granite Falls Sewer Service |
| City of Lynnwood Sewer Service |
| City of Marysville Sewer Service |
| City of Monroe Sewer Service |
| City of Mountlake Terrace Sewer Service |
| City of Snohomish Sewer Service |
| City of Stanwood Sewer Service |
| City of Sultan Sewer Service |
| Cross Valley Water District - Sewer Sevice Area |
| Lake Stevens Sewer District |
| Marysville/Arlington Interlocal Agreement |
| Marysville/Tulalip Tribes Interlocal Agreement |
| Mukilteo Water and Wastewater District |
| Olympic View Water and Sewer District |
| Silver Lake Water and Sewer District |
| Tulalip Tribes |
| Unclaimed / ILA; AFN200608300571; amended 2013 |
| Unclaimed Service Area |
| Wandering Creek Home Owners Association |
