Water Reclamation and Reuse Standards September 1997 Office of the Secretary September 1997 Publication #97-23 Water Reclamation and Reuse Standards September 1997 Office of the Secretary For more information or additional copies of this report contact: Office of Environmental Health Department of Ecology Division of Drinking Water Publications Distribution 1500 W 4th Ave, Suite 305 PO Box 47600 Spokane, WA 99204 Olympia, WA 98504-7600 Telephone: (509) 456-2490 Telephone: (360) 407-7472 Refer to publication #97-23 Office of Environmental Health Division of Drinking Water Airdustrial Center Bldg 3 PO Box 47822 Olympia, WA 98504-7822 Telephone: (360) 753-3466 The Department of Ecology is an equal opportunity and affirmative action agency and does not discriminate on the basis of race, creed, color, national origin, sex, marital status, sexual orientation, age, religion, Vietnam era veteran’s status, or disability as defined by applicable state and/or federal regulations or statues. If you have special accommodation needs or require this document in alternative format, please contact Sharon Lewis at (360) 407-6401. Ecology’s telecommunications device for the deaf (TDD) number is (360) 407-6206. Special acknowledgements to: George Schlender Division of Drinking Water Department of Health Robert Barwin Water Quality Progam Department of Ecology Marty Walther Water Quality Program Department of Ecology Water Reuse Advisory Committee Members: Stewart Tosach Craig Van Riper Dr. Dave Bezdicek Sara Miller Judy La Plante Dr. James Crook Stu Trefry B. Dave Clark Gunars Sreibers Tom Martin Warren Dawes Judy Turpin Mike Henderson Mel Oleson Harold Wiren Don Caldwell Gordon Culp Mike Vinateri John McElroy Matt Chadsey Jim Miller Lyn Muench Dave Parkinson Dick McKinley Ken Merry Ron Little David Worth Steve Gilbert Peter Borgen Dale Aronld Steve Holden Roy Peterson Al Prouty Christi Norman Mike Vinatieri Mike O’Neal James W. Trull Mary Lundt Al Dietemann Shelly Badger Dr. Larry Esvelt Bob Smith INTRODUCTION...................................................................................................5 DEFINITIONS ................................................................................................................. 6 SECTION 1 - GENERAL REQUIREMENTS ................................................................. 13 Article 1. Irrigation...........................................................................................................................13 Section 1. Nonfood Crops. ..............................................................................................................13 Section 2. Land Treatment Systems. ...............................................................................................13 Section 3. Food Crops.....................................................................................................................13 Section 4. Landscape Irrigation.......................................................................................................14 Article 2. Impoundments...................................................................................................................14 Section 1. Landscape Impoundments. .............................................................................................14 Section 2. Restricted Recreational Impoundments...........................................................................14 Section 3. Non-restricted Recreational Impoundments. ...................................................................14 Section 4. Constructed Beneficial Use and Constructed Treatment Wetlands. .................................14 Article 3. Groundwater Recharge by Surface Percolation ..............................................................15 Section 1. Applicability...................................................................................................................15 Section 2. Treatment Requirements.................................................................................................15 Section 3. Other Requirements........................................................................................................15 Section 4. Evaluation......................................................................................................................16 Article 4. Commercial and Industrial Uses ......................................................................................16 Section 1. Fish Hatchery Basins......................................................................................................16 Section 2. Decorative Fountains......................................................................................................16 Section 3. Flushing of Sanitary Sewers ...........................................................................................16 Section 4. Street Cleaning...............................................................................................................17 Section 5. Washing of Yards, Lots, and Sidewalks on Corporation Grounds. ..................................17 Section 6. Dust Control...................................................................................................................17 Section 7. Dampening of Soil for Compaction.................................................................................17 Section 8. Water Jetting for Consolidation of Backfill around Pipelines. .........................................17 Section 9. Fire Fighting. .................................................................................................................17 Section 10. Fire Protection..............................................................................................................17 Section 11. Toilet and Urinal Flushing............................................................................................17 Section 12. Ship Ballast..................................................................................................................18 Section 13. Washing Aggregate and Making Concrete....................................................................18 Section 14. Industrial Boiler Feed. ..................................................................................................18 Section 15. Industrial Cooling.........................................................................................................18 Section 16. Industrial Process Water...............................................................................................18 Article 5. Other Uses of Reclaimed Water.......................................................................................18 Section 1. Streamflow Augmentation..............................................................................................18 Section 2. Other Uses of Reclaimed Water ......................................................................................19 Article 6. Other Methods of Treatment ...........................................................................................19 Section 1. Other Methods of Treatment...........................................................................................19 Article 7. Sampling and Analysis......................................................................................................19 Section 1. Protocols and Minimum Frequencies..............................................................................19 Article 8. Engineering Report ..........................................................................................................20 09/97 1 Section 1. Scope and Minimum Requirements................................................................................20 Article 9. Operational Requirements...............................................................................................21 Section 1. Personnel .......................................................................................................................21 Section 2. Maintenance ..................................................................................................................22 Section 3. Operating Records and Reports. .....................................................................................22 Section 4. Bypass............................................................................................................................22 Section 5. Disinfection ...................................................................................................................22 Section 6. Responsibilities ..............................................................................................................23 Article 10. General Requirements of Design ...................................................................................23 Section 1. Flexibility of Design.......................................................................................................23 Section 2. Alarms...........................................................................................................................24 Section 3. Power Supply. ................................................................................................................24 Section 4. Storage, Where No Approved Alternative Disposal System Exists..................................24 Article 11. Alternative Reliability Requirements ............................................................................25 Section 1. Emergency Storage or Disposal......................................................................................25