SRSW.org
Welcome to the Scio Residents for Safe Water (SRSW) Website.
Our mission is to protect and preserve the groundwater in Scio Township.
Embedded Files
10/23/2026 - EPA Reaches Agreement with Gelman Sciences to Address Contaminated Aquifer in Ann Arbor, Michigan (EPA News Release)
Good to see things moving along.
Stay tuned as details about the agreement, next steps and related issues are discussed.
RELATED STAKEHOLDER SITES - links
CARD (Coalition for Action on Remediation of Dioxane)
Official local government/citizen stakeholder group formed in 2006 by local governments and citizen stakeholders to better jointly understand and address Gelman dioxane site issues.
-- Attend Monthly CARD meetings
The next CARD monthly meeting is
Tuesday, November 10, 2026, 6:00-8:00pm ET via Zoom
(moved from Nov 3-Election Day)
-- Skim CARD Chair Notes for recent updates on the Gelman dioxane site
(SRSW provides info systems support for CARD)
USEPA Gelman Superfund website
--EPA Adds Gelman Sciences Inc. in Ann Arbor, Michigan, to the Superfund National Priorities List 03/12/2026
--Community Engagement --concluded 9/1/2026
EGLE (DEQ) Gelman Website - New Interactive Map
--EGLE docs list archive --new version copied by SRSW (as of 01/31/2023)
--Remediation Information Data Exchange (RIDE) specify Location ID 81000018
Washtenaw County Dioxane website
-- Maps of the 1,4-dioxane plume
City of Ann Arbor 1,4-dioxane Info
Ann Arbor City Council Members
--Gelman Designated EPA Superfund March 2026
Huron River Watershed Council - dioxane
--WEMU Green Room radio shows about dioxane
U-M SEAS/Gala Briefing on Dioxane Plume
Contact Your State Legislators
Contact Michigan Governor and other departments
Learn how to test your Well Water (scroll down)
Water on earth Infographic
Pall/Gelman 1,4-dioxane contamination site
FEATURED:
EGLE 2026 Residential Sampling Map
from consultant, geo-corrected by SRSW as Google Earth overlay
Recent Dioxane Detections as of 2026
SRSW Googel Earth Mashup
FY2026 LTM proposal for 1,4-dioxane sampling around the Gelman site (green parcels)
250, 500 or 1000 ft from previous detections
The Gelman/Pall/Danaher site is unique in the amount of dioxane in the groundwater moving in several directions within an increasingly urbanized area with so many homeowner wells as their sole source of water
Tableau Public Visualizations
View Gelman contamination site dioxane data 1986-2021 different ways
(last updated 6/30/2022 )
Timelapse video of dioxane readings for all years 1986-2020
(Not including recent, unreported shallow dioxane sampling by Gelman.)
1 meter height represents 1 ppb of dioxane
click to expand
Videos of Earlier Public Meetings
Well Location discrepancies among available databases
(some databases have locations not on or names different than other databases)
Well Screen Elevations (how deep is the pollution?)
partially replaced by EGLE's Gelman Website - Document List
Page updated
Google Sites
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