Delaware · Pools and spas

The public pool and spa rules in force in Delaware now.

DPH Regulation 4464, Public Swimming Pools, in force since Oct 11, 2015. Enforced by Division of Public Health, Health Systems Protection Section. Checked on the primary source; the state record was last reviewed 2026-11-12.

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Pools and spas in Delaware

Checked on the source
In force

DPH Regulation 4464, Public Swimming Pools, in force since Oct 11, 2015

Reg 4464 (adopted Oct 1, 2015, effective Oct 11, 2015) requires an inspection at least once per year at every active pool. Motel, hotel and private campground pools need an attendant rather than a lifeguard (sec. 1.4.1). Water-quality limits include pH 7.2-7.8 and minimum free chlorine of 1.0 ppm without cyanuric acid, 3.0 ppm for spas.

Source: primary document

Who enforces it

Division of Public Health, Health Systems Protection Section

Statewide layer. County and city amendments sit on top; confirm the local office for the address.

What changes next

In force

In force; Reg 4464 archive text re-read Oct 19, 2026 (first ~100,000 characters; later amendments not ruled out)

The federal layer

The federal Virginia Graeme Baker Pool and Spa Safety Act (drain covers and anti-entrapment) applies to every public pool alongside the state rule below.

What a building has to do

1 recurring duties

These apply when the building has the equipment or fits the type named. The frequency is the standard one; your local official can set a stricter one, so confirm it for the address.

Annual
Public pool or spa: operating permit and health inspectionsState or county pool rules · Health department · Not yet checked line by line against the source.

Questions about the public pool and spa rules in Delaware

Which public pool rules apply in Delaware today?

DPH Regulation 4464, Public Swimming Pools, in force since Oct 11, 2015. Reg 4464 (adopted Oct 1, 2015, effective Oct 11, 2015) requires an inspection at least once per year at every active pool. Motel, hotel and private campground pools need an attendant rather than a lifeguard (sec. 1.4.1). Water-quality limits include pH 7.2-7.8 and minimum free chlorine of 1.0 ppm without cyanuric acid, 3.0 ppm for spas.

Who enforces the public pool and spa rules in Delaware?

Division of Public Health, Health Systems Protection Section.

What changes next for the public pool and spa rules in Delaware?

Nothing is scheduled. The rule above stays in force until the state adopts a newer edition or amends the program; AHJ Radar re-checks the source weekly.

Other areas in Delaware

Everything in force in Delaware

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