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Stormwater Compliance for Pool Facilities

Stormwater Compliance for Pool Facilities. Jamison Crosby, Contra Costa Clean Water Program October 9, 2008. Outline:. Explain the current and proposed regulations re discharge of pool and spa water Explain why we inspect pools Review what to look for during a pool inspection

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Stormwater Compliance for Pool Facilities

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  1. Stormwater Compliance for Pool Facilities Jamison Crosby, Contra Costa Clean Water Program October 9, 2008

  2. Outline: • Explain the current and proposed regulations re discharge of pool and spa water • Explain why we inspect pools • Review what to look for during a pool inspection • Explain the proper BMPs for pool facilities

  3. Rules re Pools and Spas: • Current permit allows discharge of pool and spa water to the storm drainbut only if de-chlorinated • Proposed regulations are more stringent • Discharges to the storm drain allowed only if: • No other feasible disposal alternative (e.g. sewer or landscape) • Only if de-chlorinated to non-detectable levels • Discharge of filter backwash to storm drains is prohibited • Filter backwash shall be properly disposed to the sanitary sewer or landscaping • Water containing copper algaecide or other pollutants to storm drain or directly to creeks is prohibited

  4. Why? Prevent fish kills and other sub-lethal effects Big Problems = Small Problems x 1,000’s of events

  5. What to look for during an inspection • Discharge practices of the pool/spa water. • Cleaning practices of the pool/spa and filters • Proper marking and use of drains • Chemical storage areas • Trash enclosures and grounds maintenance practices including lawn maintenance and food preparation areas.

  6. Draining Pool/Spa Water • See brochure • When draining pools and spas for maintenance (like re-plastering), water must go to sewer. • Easiest way is to connect to the sewer cleanout as shown in the diagrams in the brochure. • In cases where no cleanout is available or the client is not on sewer, water should be discharged to lawn or landscape • If no landscaped area is avail. Or you’re on a slope, you can discharge to the storm drain but only if de-chlorinated to non-detectable levels.

  7. BMPs for DE Filter cleaning

  8. Cleaning a DE filter –the challenge Perform a laborious chore while preventing tiny DE particles and debris trapped in it… From Runoff to storm drains which flow to creeks untreated

  9. How? Scrape it off and … Put it in a bucket * * Afterwards, let the stuff dry out until you can bag and throw it in the trash.

  10. Do this NOT this Look for grassy or landscaped areas to clean filters. Usually they’re just as accessible and not any more work than hosing down on the pavement.

  11. Yes, there are downsides… But it’s better than the alternative. Hose the debris into the grass. Or let dry and it will be dispersed at the next mowing. It’s up to you to decide what your client will tolerate.

  12. Cleaning Cartridge Filters Do this NOT this Yes, you’ll have to hose the debris into the grass but It takes less time than hosing it down the drain

  13. Or even better…. Clean it in a mulched area It doesn’t create a mess and the plants make use of water that would otherwise be wasted

  14. Cleaning Sand Filters Backflush is plumbed directly to a creek. This is an illegal discharge and the owner’s and/or contractor could be fined.

  15. Drain Identification • Facility management and residents need to understand sanitary vs. storm drains. • Drains need to be inspected for illicit connections to creeks. • Drains should be labeled when possible

  16. Chemical Storage • Typical chemicals used for pools are: • Chlorine • Copper-based algaecides • Chemicals should be stored with no exposure to stormwater. • Chemicals should be labeled as toxic and the required safety equipment (OSHA regulated) should be present (for public facilities). • MSDS sheet should be available (for public facilities).

  17. Trash Enclosures and Ground Maintenance • Trash should be contained within closed receptacles • Ground maintenance chemicals such as pesticides for lawns should be stored inside. • Runoff from lawn areas should be minimized from flowing to storm drains and pool area. • Food areas should be inspected for general cleanliness. • Surfaces cleaned with no discharge to st0rm drains.

  18. Concord Community Pool

  19. Community Park Specs • 30 acre park • Olympic-size pool, dressing rooms (showers and bathroom area), and picnic area. • Enclosed treatment area for pool water • Chlorine gas used as disinfectant for water • Adjacent to park area (trees, picnic area, and parking lot).

  20. Questions? jcros@pw.cccounty.us www.cccleanwater.org

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