Precision Castparts Spill Update

On Wednesday, May 15, at around 12:40 p.m. local time, a truck carrying a Nitric and Hydrofluoric acid mixture leaked onto the ground at Precision Castparts’ facility in Milwaukie. Employees were evacuated and Clackamas Fire and Portland and Gresham HazMat teams were on scene. No injuries have been reported.

DEQ has been assessing the site. There are no issues with air quality. There was some release to Precision Castparts’ stormwater system, which discharges to Johnson Creek. Precision Castparts treated and recirculated the water with caustic to bring the pH up. Oregon Department of Fish and Wildlife conducted spot checks on margins and backwaters along Johnson Creek, but no dead fish were observed. DEQ instructed Precision Castparts to collect samples of the discharge water at the outfall and we expect results within a week or two.

On Thursday, May 16, a DEQ Water Quality specialist conducted a site inspection and evaluated the stormwater system at Precision Castparts. He determined there should be no environmental harm, as long as staff followed the established stormwater pollution control plan. He is waiting on an official report from Precision Castparts to understand exactly how they responded to the incident.

The release was apparently the result of a failure on a sampling port on a chamber in the tanker, but investigation into the cause is ongoing.


This update received from Daniel Newberry, Executive Director, Johnson Creek Watershed Council.

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Be Extreme: Show Your Love for the Stream!

From Johnson Creek Watershed Council: 

Interested in getting hands-on experience in wildlife monitoring? Come to our Lamprey and Steelhead Surveyor Orientation to learn how you can help us document the distribution of native fish species throughout the watershed.

Want to improve habitat quality? We have several invasive removal and native species planting restoration work parties this month, all leading up to our largest event of the year- our 21st annual Watershed Wide Restoration Extreme! Choose from ten locations to help us weed, plant, and mulch our way to a healthier watershed. To thank you for your hard work rejuvenating this unique watershed, there will be free pizza parties at two locations. Register soon before your ideal restoration destination fills up!

Restoration Work Party at Tideman Johnson

  • February 2, 9 am – 12 pm
  • 4401 SE Johnson Creek Blvd, Portland, OR 97222
  • More details HERE

Bare Root Planting

  • February 9, 9 am – 12 pm
  • 16160 SE Powell Blvd, Portland, OR 97236
  • More details HERE

Lamprey and Steelhead Surveyor Orientation

  • February 16, 10 am – 12:30 pm
  • 4033 SE Woodstock Blvd, Portland, OR 97202
  • More details HERE

Restoration Work Party at Errol Heights

  • February 16, 9 am – 12 pm
  • SE 52nd and Tenino Drive, Portland, OR 97206
  • More details HERE

21st Annual Watershed Wide Restoration Extreme!

  • March 2, 8:45 am – 12 pm
  • 10 Restoration work parties to choose from throughout the watershed
  • More details HERE

Questions? Please contact courtney@jcwc.org

Johnson Creek Watershed Council’s 20th Annual Watershed Wide Volunteer Restoration Event

From Johnson Creek Watershed Council:

Join us for Johnson Creek Watershed Council’s largest restoration event!

Together we will restore habitat and water quality at TEN work party events throughout Johnson Creek Watershed! Take part in the action to help build a healthier watershed for your human and animal neighbors by planting native trees, mulching and removing invasive species! And we’re doing all of this… wearing COSTUMES! That’s right – we’re going big this year and we can’t wait to see the crazy, wild outfits you’ll be wearing. So, here are the details…

What: Plant, dig, mulch, weed, and look fabulous

When: Saturday, March 3rd 2018, 8:45am -12pm

Where: 10 locations across the watershed

Why: To build a healthier watershed by planting native trees, fighting invasive species, and connecting people to their environment

This is a family-friendly event. Everyone and all experience levels are welcome. Bring a team of coworkers, friends, or family members. We will provide tools, snacks, and FUN! Thank you Pizza Parties and Costume Contests in 2 locations (12:30-1:30.)

Register Here

Johnson Creek Watershed Council Planting Event

Saturday, December 9, 9:00 AM-noon

Join Portland Parks & Recreation and the Johnson Creek Watershed Council to plant native plants along Crystal Springs! Native shrubs will help provide shade to keep the creek cool for salmon and other wildlife, and will also prevent erosion of soil into the creek. Wear long thick pants, a long-sleeved shirt and sturdy shoes. Bring a water bottle, rain gear and sunhat. Instruction, tools, gloves, water, coffee/tea and snacks provided. Children welcome, and must be accompanied by an attentive adult.

Meet at: West side of Johnson Creek Park, SE Sherritt & SE 23rd Ave.

Ride/walk to the Natural Area on the Springwater Corridor trail:  www.PortlandOregon.gov/parks/springwatermap

Tri-met bus: #31, #32, #33, #99, #70

RSVP to JCWC: courtney@jcwc.org or 503.652.7477 x.101