Local bid reference

Cook, IL: Cook County stormwater review and MWRD sewer boundaries

MWRD describes the Watershed Management Ordinance as regulating development in Cook County and qualified sewer construction within its corporate boundaries and areas served through service agreements. Those descriptions are not interchangeable boundaries.

Remote plan-based takeoff support; no local office, completed local project or site investigation is represented by this page. Cost, delivery schedule and deliverables depend on the agreed project scope.

What this changes in the bid review

Estimating interpretation: For a project with both a detention basin and a sanitary extension, keep the two review tracks visible. Sharing a plan set does not prove that both scopes have the same permit or reviewer.

Check the project documents

Mark each item after reviewing its supporting document.Locate the parcel and receiving sewer within the relevant MWRD service boundary.Separate detention, volume control and erosion-control quantities in the civil scope.Identify any sewer connection or extension documents in addition to the stormwater submittal.

Clarification to request: Which MWRD and municipal approvals cover the drainage work and which cover the sewer connection?

Project document references or unresolved items

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Official context

MWRD Watershed Management Ordinance

Source checked 2026-10-16. Confirm the current incorporated edition and project approval with the named authority. The checks above are our estimating interpretation; the linked agency supplies the source context.

Related state and measurement references

Open the Illinois document reference for state-level resources. For measurement methods, use the utility trench guide or civil-plan reading guide.