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🌍 Environmental Rules/Grading & Drainage

Grading & Drainage: Arlington Heights vs Skokie

How do grading & drainage rules compare between Arlington Heights, IL and Skokie, IL?

Arlington Heights and Skokie have similar restriction levels.

Arlington Heights, IL

Cook County

Some Restrictions

Arlington Heights requires grading and drainage plans for new construction and significant site modifications. All grading must maintain positive drainage away from structures and must not redirect water onto neighboring properties. A grading permit is required for earth-moving activities that alter the existing drainage patterns on residential property.

View full Arlington Heights rules β†’

Skokie, IL

Cook County

Some Restrictions

Skokie requires that lot drainage be managed so that stormwater flows to public streets, alleys, or storm sewers and does not adversely affect neighboring properties. Grading plans are reviewed by Public Works and Community Development for new construction, additions, and major landscaping projects. Alterations that redirect water onto neighbors violate the municipal code.

View full Skokie rules β†’

Key Facts Comparison

FactArlington HeightsSkokie
Grading PlanRequired for new construction-
Foundation SlopeMinimum 2% for 10 feet-
Retaining Wall PermitRequired if over 4 feet-
Neighbor DrainageCannot redirect water onto adjacent lotsCannot redirect harmfully
Engineering Contact(847) 368-5800-
Positive Drainage-Away from structures
Downspouts-Not to sanitary sewer
Retaining Walls-Engineered over 4 ft
Minimum Slope-2% from foundation

Highlighted rows indicate differences between cities.

Arlington Heights FAQ

Do I need a grading permit for landscaping work?

A grading permit is required if your landscaping work involves fill, excavation, or changes to existing drainage patterns. Minor landscaping that does not alter grading or drainage does not typically require a permit.

Can my neighbor redirect water onto my property?

No. The Village requires that all grading maintain existing drainage patterns and not redirect water onto adjacent properties. If a neighbor's grading work is causing drainage problems on your property, contact Engineering at (847) 368-5800.

When is an engineered retaining wall required?

Retaining walls over 4 feet in height require engineering design by a licensed professional engineer and a building permit. Walls under 4 feet generally do not need engineering but must still comply with setback and drainage requirements.

Skokie FAQ

Do I need a permit to regrade my yard?

Major grading, retaining wall construction, or projects that change drainage patterns may require a permit. Minor landscaping without altered drainage typically does not. Contact Community Development before significant projects.

My neighbor's drainage is flooding my yard. What can I do?

Report to Skokie Public Works at (847) 933-8427. The Village can investigate whether modifications violate drainage rules. Civil remedies are also available through private legal action.

Where should my sump pump discharge?

To your own property, ideally toward the street, alley, or storm inlet. It may not connect to the sanitary sewer, and the discharge cannot be concentrated onto neighboring property.

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