Recommended Standards for Water Works - 2012

1 2012 Edition Recommended Standards for Water Works Great Lakes Upper Mississippi River Board of State and Provincial Public Health and Environmental Managers Illinois Indiana Iowa Michigan Minnesota Missouri New York Ohio Ontario Pennsylvania Wisconsin -i- Blank Back of Cover -ii- Recommended Standards For Water Works 2012 Edition Policies for the Review and Approval of Plans and Specifications for Public Water Supplies A Report of the Water Supply Committee of the Great Lakes--Upper Mississippi River Board of State and Provincial Public Health and Environmental Managers MEMBER STATES AND PROVINCE. Illinois Indiana Iowa Michigan Minnesota Missouri New York Ohio Ontario Pennsylvania Wisconsin Published by: Health Research Inc.

2 , Health Education Services Division, Box 7126, Albany, NY 12224. (518)439-7286 Copyright 2012 by the Great Lakes - Upper Mississippi River Board of State and Provincial Public Health and Environmental Managers This book, or portions thereof, may be reproduced without permission from the author if proper credit is given. -iii- TABLE OF CONTENTS. FOREWORD xi POLICY STATEMENT ON PRE-ENGINEERED Water TREATMENT PLANTS xiii POLICY STATEMENT ON AUTOMATED/UNATTENDED OPERATION. OF SURFACE Water TREATMENT PLANTS xv POLICY STATEMENT ON BAG AND CARTRIDGE FILTERS FOR. PUBLIC Water SUPPLIES xvii POLICY STATEMENT ON ULTRA VIOLET LIGHT. FOR TREATMENT OF PUBLIC Water SUPPLIES xx POLICY STATEMENT ON INFRASTRUCTURE SECURITY FOR PUBLIC Water .

3 SUPPLIES xxv POLICY STATEMENT ON ARSENIC REMOVAL xxvii POLICY STATEMENT ON DESIGN CONSIDERATIONS FOR THE OPTIMIZATION. OF RAPID RATE FILTRATION AT SURFACE Water TREATMENT PLANTS xxix INTERIM STANDARD - USE OF CHLORAMINE DISINFECTANT. FOR PUBLIC Water SUPPLIES xxx INTERIM STANDARD ON MEMBRANE TECHNOLOGIES. FOR PUBLIC Water SUPPLIES xxxii PART 1 - SUBMISSION OF PLANS. GENERAL 1. ENGINEER'S REPORT 1. General Information 2. Extent of Water Works system 2. Justification of project 2. Soil, groundwater conditions, and foundation problems 2. Water use data 2. Flow requirements 3. Sources of Water supply 3. Proposed treatment processes 4. Sewerage system available 4. Waste disposal 4. Automation 4. Project sites 4. Financing 5.

4 Future extensions 5. Technical, Managerial, and Financial Capacity 5. PLANS 5. General layout 5. Detailed plans 6. SPECIFICATIONS 7. DESIGN CRITERIA 7. REVISIONS TO APPROVED PLANS 8. ADDITIONAL INFORMATION REQUIRED 8. PART 2 - GENERAL DESIGN CONSIDERATIONS. GENERAL 9. DESIGN BASIS 9. PLANT LAYOUT 9. BUILDING LAYOUT 9. LOCATION OF STRUCTURES 10. ELECTRICAL CONTROLS 10. -iv- STANDBY POWER 10. SHOP SPACE AND STORAGE 10. LABORATORY FACILITIES 10. Testing equipment 10. Physical facilities 11. MONITORING EQUIPMENT 11. SAMPLE TAPS 11. FACILITY Water SUPPLY 12. WALL CASTINGS 12. METERS 12. PIPING COLOR CODE 12. DISINFECTION 13. OPERATION AND MAINTENANCE MANUAL 13. OPERATOR INSTRUCTION 13. SAFETY 13. SECURITY 13. FLOOD PROTECTION 14.

5 CHEMICALS AND Water CONTACT MATERIALS 14. OTHER CONSIDERATIONS 14. PART 3 - SOURCE DEVELOPMENT. GENERAL 15. SURFACE Water 15. Quantity 15. Quality 15. Minimum treatment 16. Structures 16. Zebra Mussel Control 17. Impoundments and reservoirs 18. Security 18. GROUNDWATER 18. Quantity 18. Quality 19. Location 19. General well construction 20. Testing and records 25. Aquifer types and construction methods - Special conditions 26. Well pumps, discharge piping and appurtenances 28. PART 4 - TREATMENT. GENERAL 33. MICROSCREENING 33. Design 33. CLARIFICATION 33. Presedimentation 34. Coagulation 34. Flocculation 35. Sedimentation 35. Solids contact unit 37. Tube or plate settlers 39. High rate clarification processes 40.

6 FILTRATION 40. Rapid rate gravity filters 41. -v- Rapid rate pressure filters 48. Diatomaceous earth filtration 49. Slow sand filters 51. Direct filtration 53. Deep bed rapid rate gravity filters 56. Biologically active filters 56. DISINFECTION 57. Chlorination equipment 57. Contact time and point of application 58. Residual chlorine 58. Testing equipment 58. Chlorinator piping 59. Housing 59. Ozone 59. Chlorine dioxide 67. Ultra violet light 67. Other disinfecting agents 67. SOFTENING 67. Lime or lime-soda process 68. Cation exchange process 69. Water quality test equipment 71. ANION EXCHANAGE TREATMENT 71. Pre-treatment requirements 71. Design 71. Exchange capacity 72. Number of Units 72. Type of Media 72.

7 Flow Rates 72. Freeboard 72. Miscellaneous Appurtenances 72. Cross Connection Control 72. Construction materials 73. Housing 73. Preconditioning of the media 73. Waste Disposal 73. Water quality test equipment 73. AERATION 73. Natural draft aeration 73. Forced or induced draft aeration 74. Spray aeration 74. Pressure aeration 75. Packed tower aeration 75. Other methods of aeration 78. Protection of aerators 78. Disinfection 78. Bypass 78. Corrosion control 78. Quality control 78. Redundancy 78. IRON AND MANGANESE CONTROL 78. Removal by oxidation, detention and filtration 79. Removal by the lime-soda softening process 79. Removal by manganese coated media filtration 79. -vi- Removal by ion exchange 80. Biological removal 80.

8 Sequestration by polyphosphates 80. Sequestration by sodium silicates 80. Sampling taps 80. Testing equipment shall be provided for all plants 81. STABILIZATION 81. Carbon dioxide addition 82. Acid addition 82. Phosphates 82. Split treatment 83. Alkali feed 83. Carbon dioxide reduction by aeration 83. Other treatment 83. Water unstable due to biochemical action in distribution system 83. Control 83. TASTE AND ODOR CONTROL 83. Flexibility 83. Chlorination 83. Chlorine dioxide 84. Powdered activated carbon 84. Granular activated carbon 84. Copper sulfate and other copper compounds 84. Aeration 84. Potassium permanganate 85. Ozone 85. Other methods 85. PART 5 - CHEMICAL APPLICATION. GENERAL 86. Plans and specifications 86.

9 Chemical application 86. General equipment design 86. Chemical Information 87. FEED EQUIPMENT 87. Feeder redundancy 87. Control 87. Dry chemical feeders 88. Positive displacement solution pumps 88. Liquid chemical feeders - siphon control 88. Cross-connection control 89. Chemical feed equipment location 89. In-plant Water supply 89. Storage of chemicals 89. Bulk liquid storage tanks 90. Day tanks 91. Feed lines 91. Handling 92. Housing 92. CHEMICALS 92. Shipping containers 92. Specifications 92. Assay 92. -vii- OPERATOR SAFETY 93. Ventilation 93. Respiratory protection equipment 93. Chlorine leak detection 93. Other protective equipment 93. SPECIFIC CHEMICALS 93. Chlorine gas 93. Acids and caustics 95. Sodium chlorite for chlorine dioxide generation 95.

10 Sodium hypochlorite 96. Ammonia 96. Potassium permanganate 98. Fluoride 98. Activated Carbon 100. PART 6 - PUMPING FACILITIES. GENERAL 101. LOCATION 101. Site protection 101. PUMPING STATIONS 101. Suction well 102. Equipment servicing 102. Stairways and ladders 102. Heating 102. Ventilation 102. Dehumidification 103. Lighting 103. Sanitary and other conveniences 103. PUMPS 103. Suction lift 103. Pump Priming 103. BOOSTER PUMPS 104. Duplicate pumps 104. Metering 104. Inline booster pumps 104. Individual home booster pumps 104. AUTOMATIC AND REMOTE CONTROLLED STATIONS 104. APPURTENANCES 105. Valves 105. Piping 105. Gauges and meters 105. Water seals 105. Controls 106. Standby power 106. Water pre-lubrication 106.