1. Giant Hogweed

    Heracleum mantegazzianum Giant Hogweed - A perennial, or sometimes biennial, plant capable of growing 15-20 feet tall. Stout dark reddish-purple splotched stems and leaf stalks.Leaves: Leaves can grow up to 5 feet wide, and they are deeply cut/lobed and sharply toothed edges.Flowers: Flowers bloom from June-August. Flower clusters can grow 2.5 feet wide and are umbrella shaped with many small white flowers.Habitat: Can grow in a variety of habitats, but primarily found along roadsides, rights-of-way, vacant lots, streams, and rivers.Weed Classification: AWhy is it a Noxious Weed?Due to the plant's height, it forms dense canopies that outcompete native species. Plants …


    Weed Control - Sept. 29, 2022, 10:57 a.m.

  2. Brazilian Elodea

    Egeria densa Brazilian Elodea - Also known as Brazilian Waterweed, its a fully submerged ornamental that is used primarily in fish aquariums.Leaves: Lower leaves grow in a whorled formation and typically consist of 4 leaves per whorl. Upper portions of stem often appear more dense than the base. Color can vary from bright to dark green depending on light availability, time of year and growing conditions.Flowers: Small white flowers with 3 petals and yellow center, on thread-like stems will often breech the water's surface when in bloom. Blooms in summer.Habitat: Can infest the beds of freshwater lakes or rivers or …


    Weed Control - Sept. 26, 2022, 11:01 a.m.

  3. Eggleaf Spurge

    Euphorbia oblongata Eggleaf Spurge - Upright perennial growing about 3 feet tall. Has a woody, branched taproot. Plant stems covered in fine white hairs.Leaves: Alternate and hairless leaves that are oblong and finely toothed. Prominent midvein is visible.Flowers: Flowers bloom from May-July. Clustered flowers with a few male flowers and one female flower. Clusters have yellow bracts (scales) at their base followed by a whorl of yellowish green leaves.Habitat: Typically found in damp meadows, streambanks, shadow woodlands, dry hillsides, roadsides, and waste areas.Weed Classification: AWhy is it a Noxious Weed?Originally introduced as a garden ornamental. This plant is invasive and …


    Weed Control - Sept. 29, 2022, 10:46 a.m.

  4. Buffalobur

    Solanum rostratum Buffalobur - An annual plant growing around 1.5-3 feet tall, covered in spines and hairs.Leaves: Alternate leaves 2-6 inches long. Leaves are irregularly cut into 5-7 lobes and are very prickly.Flowers: Flowers bloom from June-September. 3-15 flowers per flower cluster. Flowers are bright yellow, 5 lobed, flat, and circular shaped about an inch across.Habitat: Found in fields, overgrazed pastures, yards, road sides, waste areas, barn yards, it can grow in sandy soil, dry soil, and rich moist soil.Weed Classification: CWhy is it a Noxious Weed?Buffalobur is toxic to livestock, and spreads easily in pastures and fields outcompeting desired …


    Weed Control - Oct. 6, 2022, 9:32 a.m.

  5. Oxeye Daisy

    Leucanthemum vulgare Oxeye Daisy - A perennial, herbaceous plant growing 1-3 feet tall.Leaves: Leaves are alternate and lance-shaped, with toothed or lobed edges.Flowers: Flowers bloom from May-October. Single flowerhead at the end of the stem. It has many white ray-flowers, creating the "petals," and yellow disc-flowers in the middle.Habitat: Found in grasslands, overgrazed pastures, waste areas, meadows, roadsides, railroad ROWs, yards, and fields.Weed Classification: CWhy is it a Noxious Weed?It can aggressively invade fields and decrease plant diversity. It decreases crop yield and has rhizomes with adventitious roots.Oxeye Daisy is very common in Lewis County. It can be hard to …


    Weed Control - Oct. 6, 2022, 9:32 a.m.

  6. Yellow Toadflax

    Linaria vulgaris Yellow Toadflax - A perennial growing 8-31 inches tall from creeping roots. Forms colonies.Leaves: Many narrow, linear leaves up to 4 inches in length, alternating along the stem.Flowers: Flowers bloom from June-September. Many flowers crowd the top 2-9 inches of the plant. Flowers are yellow, hairy, and have orange "throats." Resembles snapdragons.Habitat: Grows in a variety of habitats, including: roadsides, edges of fields, rangelands, meadows, cultivated fields, and waste areas.Weed Classification: CWhy is it a Noxious Weed?It can easily invade range and farmlands outcompeting desirable crops/forage. Livestock will rarely eat the plant.Yellow Toadflax can infest cultivated land easily, …


    Weed Control - Oct. 6, 2022, 9:33 a.m.

  7. Himalayan Knotweed

    Persicaria wallichii Himalayan Knotweed - A clumping perennial with hollow stems and creeping rhizomes. It grows about 6 feet in height.Leaves: Leaf shape is elongated compared to other knotweeds and are around 5-12 inches in length. They are leathery and alternate along the stem.Flowers: Flowers bloom from July-October. Whiteish pink flowers that are fragrant grow at the tips of branches.Habitat: Grows in disturbed, moist sites like roadsides, riparian, and wetland areas.Weed Classification: B DesignateWhy is it a Noxious Weed?This plant vigorously grows into dense stands that overtake native vegetation and alter ecosystems. It can survive severe floods and spread plant …


    Weed Control - Oct. 5, 2022, 4:16 p.m.

  8. Notice of hearing regarding Ordinance 1361, which would rescind and replace Chapters 5.25, 6.05 and 6.15 of county code to transfer animal control duties from Public Health to the Sheriff's Office.

    Please see the attached notice.


    Commissioners - March 21, 2025, 2:16 p.m.

  9. Accreditation

    On 04/10/12 the Lewis County Coroner’s Office was awarded accreditation through the International Association of Coroners & Medical Examiners (IACME). This process began in 2011 and culminated with the inspection process on 04/10/12. We are now one of only five coroner’s offices in Washington State to have received accreditation through this association.The IAC&ME has established a set of accreditation standards and these encompass administration, facilities, forensics and investigative for a total of 130 standards. Applying for accreditation means to voluntarily open your office facilities as well as your policies and procedures for examination by a team of auditors to see …


    Coroner - Sept. 28, 2012, 4:13 p.m.

  10. Notice of hearing for Ordinance 1365, which would update Chapter 3.02 - Emergency Management Operations and Plan - of Lewis County Code. The hearing will take place in the Commissioners' Hearing Room at or after 10 a.m. June 10.

    Please see the attached notice.


    Commissioners - May 20, 2025, 1:41 p.m.