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Lake County, IN Swimming Pools & Spas: Pool Permits (2026)

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

Swimming pool permit rules in Lake County, IN, also covering above-ground pools, in-ground pools, and spa installations, set fencing, barrier, alarm, and inspection requirements.

Key Facts

Applies to
Unincorporated Lake County pools
Depth trigger
More than 42 inches
Residential code
675 IAC 14-4.3-270 to 296
Public pools
410 IAC 6-2.1 (state health)
Permit office
Lake County Plan Commission

Summary

In unincorporated Lake County, a pool deeper than 42 inches must meet the Indiana Administrative Code and needs a Lake County building/zoning permit before installation. Public and semi-public pools also need Indiana State Department of Health plan approval. Inside cities, the town or city permits pools.

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.

Swimming pools and hot tubs with a depth of more than 42 inches must comply with the applicable requirements of the Indiana Administrative Code for residential pools at 675 IAC 14-4.3-270 through 296 and for commercial pools at 675 IAC 20.

View official code

Full Breakdown

Lake County UDO 154-9-140.A requires residential pools deeper than 42 inches to comply with 675 IAC 14-4.3-270 through 296 and commercial pools with 675 IAC 20. A county building permit is obtained through the Lake County Building Department/Plan Commission (2293 N. Main St., Crown Point). Public and semi-public pools are separately regulated by the Indiana State Department of Health under 410 IAC 6-2.1, which governs operation, water quality and staffing. Municipal residents (Gary, Hammond, Merrillville, etc.) obtain permits from their own city or town.

Violations & Fines

Building or operating a pool without required permits or approvals is a zoning/building-code violation subject to stop-work orders and fines set by the Lake County Plan Commission.

Frequently Asked Questions

Do I need a permit for a backyard pool?
In unincorporated Lake County, yes if it is deeper than 42 inches. Get a building permit from the Lake County Building Department before installing; cities issue their own permits.
Who regulates public swimming pools?
The Indiana State Department of Health under 410 IAC 6-2.1 handles public and semi-public pools, including plan review, water quality and lifeguard staffing requirements.

Sources & Official References

Other rules in Lake County

Noise Ordinances: Quiet HoursSome RestrictionsFencing & Safety RequirementsSome RestrictionsNoise Ordinances: Amplified Music & Outdoor SoundSome RestrictionsNoise Ordinances: Vehicle NoiseHeavy RestrictionsNoise Ordinances: Leaf Blower RulesSome RestrictionsParking Rules: Snow Removal Parking RulesSignificant RestrictionsAnimal Ordinances: Cat RulesSome Restrictions

All Lake County rules

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