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Maps and Directions
Administration & Operations

Big
Gulch Treatment Facility
The Wastewater Treatment Plant is located at 9417 62nd Pl W, Mukilteo, Washington. If you have any questions about the map or directions, please call 425-355-6637.
MAP
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From
Mukilteo Speedway |
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Turn West onto 92nd St SW. At the
"Y" (92nd and 61st Pl W) stay to the left, and you will still be on 92nd St SW. Take a left onto 62nd Pl W. Take a left onto 95th Pl SW. You will see the metal gate on your right. This is the top of the one lane, winding road leading to the treatment plant. When you reach the treatment plant, there will be a pedestal on your left. Ring the call button. If there is no answer, honk your horn.
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If you are
southbound
on
I-5 |
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Merge onto highway 526 W
via exit #189 (Mukilteo/Whidbey Island Ferry). Drive approximately 4.4
miles to 84th St SW. Turn right onto 84th St. Turn left onto Mukilteo
Speedway (2nd traffic light). Turn right onto 92nd St SW. At the "Y"
(92nd and 61st Pl W) stay to the left, and you will still be on 92nd St
SW. Take a left onto 62nd Pl W. Take a left onto 95th Pl SW. You will
see the metal gate on your right. This is the top of the one lane,
winding road leading to the treatment plant. When you reach the
treatment plant, there will be a pedestal on your left. Ring the call
button. If there is no answer, honk your horn. |
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If you are
northbound
on
I-5 |
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Merge onto highway 525 N
via exit #182 (Alderwood Mall Pkwy). Drive approximately 6.7 miles, to
92nd St SW. Turn left onto 92nd St SW. At the "Y" (92nd and 61st Pl W)
stay to the left, and you will still be on 92nd St SW. Take a left onto
62nd Pl W. Take a left onto 95th Pl SW. You will see the metal gate on
your right. This is the top of the one lane, winding road leading to the
treatment plant. When you reach the treatment plant, there will be a
pedestal on your left. Ring the call button. If there is no answer, honk
your horn. |
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If you are
westbound
on
Highway 526 (Boeing freeway) |
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Drive west to 84th St SW.
Turn right onto 84th St. Turn left onto Mukilteo Speedway (two traffic
lights). Turn right onto 92nd St SW. At the "Y" (92nd and 61st Pl W)
stay to the left, and you will still be on 92nd St SW. Take a left onto
62nd Pl W. Take a left onto 95th Pl SW. You will see the metal gate on
your right. This is the top of the one lane, winding road leading to the
treatment plant. When you reach the treatment plant, there will be a
pedestal on your left. Ring the call button. If there is no answer, honk
your horn. |
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Mailing Address:
PO Box 260
Mukilteo, WA 98275-0260
Main Office
Street Address:
7824 Mukilteo Speedway
Mukilteo, WA
Phone Number: 425-355-3355
Fax Number: 425-348-0645
Contact Us
Big Gulch Treatment Facility
Street Address:
9417 62nd Pl W
Mukilteo, WA
Phone Number: 425-355-6637
Fax Number: 425-355-4263
Service
Areas
(Click on map for larger detail)

Big Gulch Map
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