California AB 2853 Pool Cover and Drought-Era Cover Mandates

Why this matters

California is the most aggressive state in the country on residential pool evaporation and drowning-prevention rules, and the body of code that governs covers is not a single statute. Crews working in CA have to reconcile the Swimming Pool Safety Act (SPSA, codified at Health & Safety Code Sections 115920-115929), Title 24 Part 6 (the Building Energy Efficiency Standards, which set cover requirements for any heated pool), AB 2853 and its successor budget bills that funded drought rebate programs through the Department of Water Resources, and the patchwork of local ordinances in MWD service territory, San Diego County Water Authority, and the SF Bay-Area water districts. Selling, installing, or signing off on a cover without knowing which of these your customer is subject to is how a small remodel turns into a stop-work notice from the building official.

Swimming Pool Safety Act (SPSA) drowning-prevention baseline

SPSA requires at least two of seven approved drowning-prevention safety features for any new in-ground pool or pool undergoing a permit-triggered remodel on a single-family residence (HSC 115922(a)). Approved features include:

1. An enclosure that isolates the pool from the home (HSC 115923).
2. Removable mesh fencing meeting ASTM F2286.
3. An approved safety pool cover meeting ASTM F1346.
4. Exit alarms on doors providing direct access to the pool.
5. Self-closing, self-latching devices on doors to the pool yard.
6. Pool alarms meeting ASTM F2208.
7. Other means of protection that afford a degree of protection equal to or greater than those listed.

ASTM F1346 covers must support a static load of 485 lb on a 36 inch by 36 inch test area (simulating an adult and two children) and may not permit gaps larger than 4 inches at the perimeter. Solar blanket bubble covers do NOT meet F1346 - confirm the cover stamp before counting it toward the SPSA two-feature requirement. Most permit reviewers will reject a solar blanket as feature #3.

Title 24 Part 6 heated-pool cover requirement

Title 24 Section 110.4(b)1 requires a vapor-retardant cover on any heated outdoor pool (gas, electric resistance, or heat pump) unless the pool has a heat recovery system or uses solar primary heat with electric backup capped at 5,000 watts. The cover must be deployed when the pool is not in use; the deployment is the homeowner's responsibility but the cover itself is the contractor's compliance item on the permit. For permits filed January 1, 2023 or later, Section 110.4(b)2 also requires automatic time-of-day controls on any pool with combined pump + heater load over 1,000 watts - the cover requirement and pump controls are scored together on the CF1R-PLB-01-E compliance form.

AB 2853 and DWR turf-replacement / pool-cover rebate funding

AB 2853 (Statutes 2022) appropriated drought-response funding administered by the Department of Water Resources. The funding flowed through local water districts as rebates for installing ASTM F1346-rated safety covers and high-efficiency pool equipment (variable-speed pumps to a Title 20 efficiency tier). Rebate amounts are set by each local district, change annually, and require pre-approval - never quote a customer a rebate dollar figure without the current local-district rebate table in hand. As of the 2024 program year, the major districts running cover rebates were MWD (My Metropolitan Water rebate portal), SoCal Gas (Energy Upgrade California co-program), and the Santa Clara Valley Water District.

The cover rebate is conditioned on the cover being a manual or automatic ASTM F1346 cover physically installed by a CSLB-licensed C-53 (Swimming Pool) or B (General Building) contractor. Solar covers and winter debris covers do not qualify. The rebate is paid post-installation against a paid invoice, a final building inspection card (where a permit was pulled), and photos of the deployed cover.

Local ordinances that go beyond state law

Several jurisdictions layer additional cover requirements on top of state code:

• Santa Monica Municipal Code 8.108 requires all outdoor heated pools (residential and commercial) to be covered when not in use, with a $250-per-day infraction cap for non-compliance per Section 8.108.040.
• City of San Diego Municipal Code 142.0710 mandates a pool cover for any newly permitted residential pool over 500 sq ft surface area.
• MWD Member Agencies Drought Response Stage triggers a cover-when-not-in-use mandate on heated pools whenever the MWD board declares Stage 3 or higher under the Water Surplus and Drought Management Plan.

Always pull the customer's water-district drought stage before quoting - the stage gates not just the rebate but whether the cover is mandatory at all.

Practical permit workflow

For a new in-ground build or a permitted remodel:

1. On the SPSA worksheet, identify which two of the seven features the customer will use. If a cover is one of the two, specify the F1346-rated model on the plans (cover make, model, ASTM listing number).
2. On the Title 24 CF1R-PLB-01-E, confirm "Pool Cover" is checked under Mandatory Measures if the pool is heated. The cover and the variable-speed pump are scored together.
3. Pull the local water district's current rebate table; attach the rebate application to the customer's final-invoice packet with the inspection card photo.
4. At final inspection, the inspector will physically check the cover is on-site (not necessarily deployed) and may ask to see the F1346 tag.

Common compliance failures

References

• California Health & Safety Code, Sections 115920-115929 (Swimming Pool Safety Act)
• California Code of Regulations, Title 24, Part 6, Section 110.4 (2022 Building Energy Efficiency Standards)
• ASTM F1346-91 (Reapproved 2024) - Standard Performance Specification for Safety Covers for Swimming Pools, Spas, and Hot Tubs
• ASTM F2286-16 - Standard Specification for Removable Mesh Fencing for Swimming Pools
• California AB 2853 (Statutes of 2022), Chapter 252
• CSLB Pool Contractor Compliance Manual, C-53 Classification (2024 edition)