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Comment Period

Bothell Landing, Bothell Paint & Decorating, and Bothell Former Hertz

Proposal to remove environmental covenants

Jan. 19, 2023 - Feb. 7, 2023, 11:55 p.m.

We invite your feedback on removing the environmental covenant from these cleanup sites. Environmental covenants are put in place to protect human health and the environment when some contamination remains at a cleanup site. They limit the way a property may be used.

Ecology and the City of Bothell propose removing the environmental covenants for these sites in downtown Bothell:

The environmental covenants were placed in May 2020 to address remaining groundwater contamination (total petroleum hydrocarbons and arsenic). They prohibit removing or using groundwater from the sites and require that monitoring wells and vapor controls be maintained.

All petroleum-contaminated sources have been removed at both parcels. Groundwater monitoring data collected between 2020 and 2022 shows naturally high arsenic in some groundwater wells, and total petroleum hydrocarbons (TPHs-diesel and heavy oil) are sporadically detected. The sporadic detections are due to degradation products (polar metabolites) of TPHs in groundwater. 

We have determined that neither the naturally occurring arsenic, nor the petroleum degradation products, pose any threat to human health or the environment.

We invite you to review and comment on the decision to release the environmental covenants for Parcel 3 and Parcel 4. We will review and respond to all comments received. If there are no significant comments, we will remove the environmental covenants . 

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Sunny Becker
PO Box 330316
Shoreline, WA 98133
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Sunny Becker
Site Manager
sunny.becker@ecy.wa.gov
425-457-3842
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