2026 Medina Park North Pond Vegetation Removal

The City of Medina is requesting proposals to manually remove lily pads and associated aquatic vegetation from the North Pond at Medina Park to improve water circulation, pond health, and park aesthetics. The North Pond is estimated to be one acre. This project will be completed using hand tools only and will not involve mechanized equipment, dredging, or chemical treatment.
Project Location:
Medina Park
7789 NE 12th ST
Medina, WA 98039
Scope:
The Contractor shall provide all labor, tools, and materials necessary to complete the following:
A. Site Review and Preparation
- Conduct a pre-construction site walk with City staff.
- Identify priority areas for vegetation removal.
- Establish staging and debris collection areas.
B. Manual Vegetation Removal
- Remove lily pads and associated aquatic plants using hand tools only (rakes, cutters, hand-pull methods, etc.).
- Removal includes both surface leaves and accessible root structures.
- No motorized equipment, excavation, or sediment disturbance is permitted.
C. Debris Collection and Disposal
- Collect all removed plant material daily.
- Prevent re-entry of debris into the pond.
- Dispose of material offsite in accordance with waste regulations.
D. Environmental Protection
- No chemicals, herbicides, or mechanical harvesters shall be used.
- Disturbance to pond sediments, wildlife, and surrounding vegetation shall be minimized.
- No fueling, equipment washing, or material storage is permitted near the water.
*Proposals are due February 24, 2026 @ 4pm via email to: rosada@medina-wa.gov
Project Contact
Ryan Osada
Public Works Director
City of Medina
425.233.6439
206.423.3278 mobile
Status Updates
April 7, 2026 - Public Works Director meeting with Contractor on 4/9/2026.
April 22, 2026 - Crews from Riparia Environmental will begin removal work on April 27.
August 5, 2026 - As part of this project, the City of Medina conducted an aquatic vegetation treatment at the Medina Park ponds to manage nuisance lily pads on Monday July 27th. The treatment was performed under the Washington State Department of Ecology's Aquatic Plant and Algae Management (APAM) Permit using the aquatic herbicides Imazapyr and Triclopyr, which are approved for aquatic use. The purpose of this treatment is to reduce excessive lily pad growth, improve and maintain the health of the ponds. The treatment was performed by a State Certified applicator and as stated on the posted signs, does not require activity restrictions.
