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Lake County, IN Environmental Rules: Stormwater Management (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Governing instrument
2024 Stormwater & Clean Water Regs (Ord. 1500A)
Adopted by
Lake County Code § 52.01
Enforcing agency
Lake County Health Department
Filed at
Health Department, for public inspection
First-offense fine
Up to $2,500 (§ 10.99)
Repeat-offense fine
Up to $7,500 (§ 10.99)
Coverage
Unincorporated Lake County only

Summary

Lake County regulates stormwater and drainage through Ordinance 1500A, its 2024 Stormwater Management and Clean Water Regulations, adopted by reference into County Code § 52.01. The Lake County Health Department keeps two filed copies for public inspection and administers the standards countywide. A violation carries the code's general fine: up to $2,500 for a first offense and $7,500 for repeat offenses.

These county ordinances apply to unincorporated areas of Lake County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

The stormwater management and clean water regulations (of 2024) ordinance is adopted herein by reference as if appearing in total. Two copies of the same shall be filed in the office of Lake County Health Department for public inspection.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-14: Supplement contains: Local legislation current through 6-9-2026; and State legislation current through Indiana Legislative Service, 2025 Acts, Pamphlet No. 3).

Full Breakdown

Chapter 52 of the county code, titled Stormwater Management and Sediment Control, contains a single operative section. 01 incorporates the county's separately adopted stormwater and clean water regulations wholesale, "as if appearing in total," and directs that two copies be kept on file at the Lake County Health Department for anyone to inspect. This adoption-by-reference approach has been used three times: the county first adopted stormwater and clean water regulations in 2006 under Ordinance 1274A, revised them in 2013 under Ordinance 1365C, and readopted the current 2024 version under Ordinance 1500A.

Because the substantive engineering and permitting standards live in that separately filed document rather than in the printed code, anyone needing the specific technical requirements (drainage calculations, detention criteria, inspection triggers, and similar) has to request the filed copy from the Health Department rather than relying on the county code text alone. The chapter applies only within the unincorporated county; Gary, Hammond, Crown Point, and Lake County's other incorporated cities and towns administer their own separate stormwater programs. 99, which applies to any code violation lacking a specific penalty section.

Violations & Fines

Chapter 52 has no penalty section of its own, so a violation of the adopted stormwater and clean water regulations is punished under County Code § 10.99's general penalty: a fine of up to $2,500 for a first violation and up to $7,500 for a second or later violation, with each day a violation continues counted as a separate offense.

Frequently Asked Questions

Where can I read the actual stormwater standards?
The technical standards themselves aren't printed in the county code. Section 52.01 adopts the 2024 regulations, Ordinance 1500A, by reference, and two copies are filed with the Lake County Health Department for public inspection, so you'd request the filed copy directly from that office.
Does this rule apply inside Gary or Hammond?
No. Chapter 52 governs the unincorporated county only. Gary, Hammond, East Chicago, Crown Point, and the county's other incorporated cities and towns adopt and enforce their own separate stormwater ordinances within their limits.
What happens if I violate the stormwater regulations?
Because Chapter 52 has no penalty section of its own, a violation is punished under the code's general penalty, § 10.99: a fine up to $2,500 for a first offense and up to $7,500 for each later offense, with every day a violation continues treated as a separate offense.
Has Lake County's stormwater ordinance changed recently?
Yes. The county first adopted stormwater and clean water regulations in 2006 under Ordinance 1274A, revised them in 2013 under Ordinance 1365C, and adopted the current version in 2024 under Ordinance 1500A, which is what § 52.01 now references.

Sources & Official References

Other rules in Lake County

All Lake County rules

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