Title
Requisition No’s. REQ-0009121, REQ-0009212 and REQ-0009395
Sodium Bisulfite
O&M
Body
Agenda of: June 24, 2026
Item No.: 2026-219
Amount: $1,184,250.00
TO: The Honorable
Board of Directors
Great Lakes Water Authority
FROM: Suzanne R. Coffey, P.E.
Chief Executive Officer
Great Lakes Water Authority
DATE: June 3, 2026
RE: Requisition No’s.: REQ-0009121, REQ-0009212 and REQ-0009395
Sodium Bisulfite
Vendor: Sulco Chemicals Limited and PVS Nolwood Chemicals, Inc.
Status: New Contract/PO
MOTION
Upon recommendation of Navid Mehram, Chief Operating Officer - Wastewater Operating Services, the Board of Directors (Board) of the Great Lakes Water Authority (GLWA), authorizes the Chief Executive Officer (CEO) to enter into Requisition Nos. REQ-0009121, REQ-0009212, and REQ-0009395 “Sodium Bisulfite” with Sulco Chemicals Limited, and with PVS Nolwood Chemicals, Inc., at a cost not to exceed $394,750.00 for a duration of one (1) year with two (2) one-year renewal options at a cost not to exceed $394,750.00 for each renewal year for a total contract amount of $1,184,250.00; and authorizes the CEO to take such other action as may be necessary to accomplish the intent of this vote.
BACKGROUND
GLWA utilizes sodium bisulfite (SBS) for dechlorination and ozone destruction across multiple facilities. At the Water Resource Recovery Facility (WRRF) and the Lake Huron (LH) Water Treatment Plant, SBS is applied to neutralize residual chlorine in treated effluent prior to discharge into the Rouge River and Lake Huron, in accordance with permit requirements. At Water Works Park (WWP), SBS is used to destroy excess ozone remaining after ozonation in freshwater systems once water exits the ozone contact chamber.
JUSTIFICATION
Under the National Pollutant Discharge Elimination System Permit, residual chlorine in plant effluent must be neutralized before discharge to receiving waters, including the Rouge River and Lake Huron. SBS is required to meet these dechlorination requirements. At WWP, SBS is also essential for safely eliminating residual ozone that does not naturally decompose, converting it into oxygen prior to downstream processes. This proposed contract provides for the on-demand delivery of SBS to the WRRF, LH, and WWP.
FINANCIAL PLAN IMPACT
Summary: Sodium Bisulfite use is an ongoing part of the chemicals budget in water and wastewater. The FY 2027 - FY 2031 Financial Plan was created using previous experience and future estimates based on available data. There are sufficient funds in the financial plan to cover the maximum value of this contract.
Funding Source: Operations and Maintenance (O&M) - 5910 and 5960
Cost Centers: Water Works Park - 882131
Lake Huron Water Plant - 882171
Wastewater Secondary Process - 892224
Expense Type: Operating Supplies-Chemicals
Estimated Cost by Year and Related Forecast Variance:
Fiscal Year Amount
FY 2027 Financial Plan (Prorated) $363,550.00
FY 2028 Financial Plan $398,100.00
FY 2029 Financial Plan $398,100.00
FY 2030 Financial Plan (Prorated) $33,175.00
Total Financial Plan $1,192,925.00
Maximum Contract $1,184,250.00
Variance (Positive/(Negative)) $8,645.00
COMMITTEE REVIEW
This item was presented to the Operations and Resources Committee at its meeting on June 10, 2026.
SHARED SERVICES IMPACT
This item does not impact the shared services agreement between GLWA and DWSD.