Environmental Rules in Arlington Heights, IL

If you live in Arlington Heights or are thinking about moving there, environmental rules are one of those things you probably won't think about until they affect you directly. Arlington Heights has 4 specific rules on the books covering different aspects of environmental rules, and some of them might surprise you.

Flood Zones

Arlington Heights, Illinois requires a Village development permit before any construction, fill, grading, or land disturbance in a Special Flood Hazard Area mapped on Cook County's FEMA Flood Insurance Rate Map. Chapter 15 of the Municipal Code, enacted to keep the Village eligible for the National Flood Insurance Program, routes every floodplain, flood fringe, and floodway project through the Director of Engineering.

Key details: Permit required: Village development permit, Director of Engineering. Legal basis: 65 ILCS 5 police powers, Section 15-101. Federal program: Keeps Village in FEMA NFIP. Compensatory storage: 1.5x volume replaced for lost flood storage. Floodway variances: Never allowed, Section 15-111(a).

A person or business that develops in the SFHA without the required permit, or who fails to correct a violation within ten days of notice, faces a Circuit Court injunction and a fine of not less than $50.00 nor more than $1,000.00 per offense under Section 15-113, with each day of continuing violation a separate offense. The Director of Engineering can also issue a written stop-work order suspending the permit.

Stormwater Management

Arlington Heights Municipal Code Chapter 22, Article V regulates the Village's municipal separate storm sewer system (MS4) to meet its federal NPDES permit, banning illegal discharges and illicit connections into the storm drainage system. The Director of Public Works or Director of Engineering, as Authorized Enforcement Agent, can issue notices of violation, suspend MS4 access, and assess cleanup costs against violators.

Key details: Governing article: Ch. 22, Article V, MS4 Stormwater. Enforcement agent: Director of Public Works or Engineering. Appeal window: 15 days to Village Manager (§ 22-516). Cost recovery: Special assessment lien, up to 12 payments. Spill notice: Next business day; written confirm within 3 days.

Section 22-515 lets the Authorized Enforcement Agent order compliance, cleanup, and payment of a fine covering administrative and remediation costs by written notice of violation; a recipient can appeal to the Village Manager within 15 days. Section 22-517 authorizes Village crews to enter the property and abate the violation if it is not corrected, and Section 22-518 lets unpaid abatement costs become a special assessment lien on the property, payable over up to 12 monthly installments plus 1 percent annual interest, or enforced through injunctive relief under Section 22-519.

Flood Elevation Requirements

Arlington Heights, Illinois adds a one-foot freeboard buffer above the FEMA base flood elevation before any building in a Special Flood Hazard Area is considered protected. The Village's Flood Protection Elevation standard, set in Chapter 15 of the Municipal Code, governs how high a home's lowest floor, mechanical equipment, and fill must sit to satisfy village floodplain rules.

Key details: Freeboard: 1 foot above base flood elevation. Defined term: Flood Protection Elevation (FPE), Section 15-102. Lowest floor: Must sit at or above FPE. Critical facilities: 500-yr elevation or BFE+3 ft, whichever greater. Manufactured homes: FPE, or 36 in. on piers in existing parks.

Building below the required Flood Protection Elevation without Village approval is enforced the same as any other Chapter 15 violation: a Circuit Court injunction and a fine of not less than $50.00 nor more than $1,000.00 per offense under Section 15-113, with each day of continued violation a separate offense. A variance that lowers protection below the FPE also triggers a written Village notice that flood insurance premiums can rise as high as $25.00 per $100.00 of coverage under Section 15-111(c).

Erosion Control

Arlington Heights Municipal Code Section 23-106 requires every building permit's grading plan to include soil erosion and sediment control measures, such as stockpile locations, detention facilities, and berms, and keeps stripped-vegetation areas to a minimum. Violators face a Section 23-108 fine of $50.00 to $750.00 and can be ordered to stop all work until they comply.

Key details: Governing section: § 23-106, Soil Erosion and Sediment Control. Required with: Every building permit grading plan. Fine range: $50.00-$750.00 per violation (§ 23-108). Enforcement tool: Village stop-work order. Applies alongside: Chapter 28 zoning and Chapter 29 subdivision rules.

Section 23-108 sets the Chapter 23 penalty at not less than $50.00 nor more than $750.00 for violating any provision of the chapter, including a Section 23-106 erosion-control failure, on top of any other civil or criminal penalty available to another authority. Section 23-109 applies the same $50.00-$750.00 range to ignoring a stop-work order, and the Village can still pursue an unlawful site through separate legal action to force compliance.

The Bottom Line

Arlington Heights's environmental rules rules are a mixed bag. Some areas are strict, others are relaxed, and the details matter. The best approach is to check the specific rule that applies to your situation rather than assuming Arlington Heights is broadly strict or permissive.

All of the above reflects Arlington Heights's municipal code as of our last review. If you need specifics on fines, exemptions, or filing requirements, the detailed ordinance pages linked above have the full breakdown.