New Hampshire Code of Administrative Rules
Env - Department of Environmental Services
Subtitle Env-Dw - Drinking Water Programs
Chapter Env-Dw 400 - PUBLIC WATER SYSTEM CLASSIFICATION AND DESIGN
Part Env-Dw 407 - STANDARDS ADOPTED BY REFERENCE
Section Env-Dw 407.01 - Standards of the American Water Works Association
Universal Citation: NH Admin Rules Env-Dw 407.01
Current through Register No. 13, March 27, 2025
(a) The quality, materials and workmanship standards specified in table 407-1, available as noted in Appendix B, shall apply to all public water systems relative to construction, operation, and maintenance activities regulated by Env-Dw 300 and Env-Dw 401 through Env-Dw 406:
Table 407-1
Standards of the American Water Works Association
| STANDARD CATEGORY Subcategory (if any) Number | Edition | Title of Standard |
| SOURCE | ||
| A100 | 1997 | Water Wells |
| TREATMENT | ||
| Filtration | ||
| B100 | 2001 | Filtering Material |
| B101-01 | 2001 | Precoat Filter Media |
| B102-04 | 2004 | Manganese Greensand for Filters |
| Softening | ||
| B200 | 2003 | Sodium Chloride |
| B201 | 2003 | Soda Ash |
| B202 | 2002 | Quicklime and Hydrated Lime |
| Disinfection Chemicals | ||
| B300 | 2004 | Hypochlorites |
| B301 | 2004 | Liquid Chlorine |
| B302 | 2000 | Ammonium Sulfate |
| B303 | 2000 | Sodium Chlorite |
| Coagulation | ||
| B402 | 2000 | Ferrous Sulfate |
| B403 | 2003 | Aluminum Sulfate-Liquid Ground, or Lump |
| B404 | 2003 | Liquid Sodium Silicate |
| B405 | 2000 | Sodium Aluminate |
| B406 | 1997 | Ferric Sulfate |
| B407 | 1998 | Liquid Ferric Chloride |
| B408 | 2003 | Liquid Polyaluminum Chloride |
| B451 | 2004 | Poly (Diallyldimethylammonium Chloride) |
| B452 | 1998 | EPI-DMA Polyamines |
| B453 | 2001 | Polyacrylamide |
| Scale and Corrosion Control | ||
| B501 | 2003 | Caustic Soda (Sodium Hydroxide) |
| B502 | 2001 | Sodium Polyphosphate, Glassy (Sodium Hexametaphosphate) |
| B503 | 2001 | Sodium Tripolyphosphate |
| B504 | 2001 | Monosodium Phosphate, Anhydrous |
| B505 | 2001 | Disodium Phosphate, Anhydrous |
| B510 | 2000 | Carbon Dioxide |
| B511 | 2000 | Potassium Hydroxide |
| B512 | 2002 | Sulfur Dioxide |
| B550 | 2000 | Calcium Chloride |
| Taste and Odor Control | ||
| B600 | 1996 | Powdered Activated Carbon |
| B601 | 2000 | Sodium Metabisulfite (Sodium Pyrosulfite) |
| B602 | 2002 | Copper Sulfate |
| B603 | 2003 | Potassium Permanganate |
| B604 | 1996 | Granular Activated Carbon |
| B605 | 1999 | Reactivation of Granulated Activated Carbon |
| Prophylaxis | ||
| B701 | 1999 | Sodium Fluoride |
| B702 | 1999 | Sodium Silicofluoride |
| B703 | 2000 | Hydrofluosilicic Acid |
| PIPE AND ACCESSORIES | ||
| C104/A21.4 | 2003 | American National Standard for Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water |
| C105/A21.5 | 1999 | American National Standard for Polyethylene Encasement for Ductile-Iron Piping for Water and Other Liquids |
| C110/A21.10 | 2003 | American National Standard for Ductile-Iron and Gray-iron Fittings, 3 in. through 48 in., for Water and Other Liquids |
| C111/A21.11 | 2000 | American National Standard for Rubber-Gasket Joints for Ductile-Iron and Gray-Iron Pressure Pipe and Fittings |
| C115/A21.15 | 1999 | American National Standard for Flanged Ductile-Iron Pipe With Threaded Flanges |
| C116/A21.16 | 2003 | American National Standard for Protective Fusion-Bonded Epoxy Coatings Int.& Ext. Iron/Gray-Iron Fittings |
| C150/A21.50 | 2002 | American National Standard for the Thickness Design of Ductile-Iron Pipe |
| C151/A21.51 | 2002 | American National Standard for Ductile-Iron Pipe centrifugal Cast for Water or Other Liquids |
| C153/A21.53 | 2000 | American National Standard for Ductile-Iron Compact Fittings, 2 in. through 16 in., for Water and Other Liquids |
| Steel Pipe | ||
| C200 | 1997 | Steel Water Pipe 6 in. and Larger |
| C203 | 2002 | Coal-Tar Protective Coatings and Linings for Steel Water Pipelines- Enamel and Tape-Hot Applied |
| C205 | 2000 | Cement Mortar Protective Lining and Coating for Steel Water Pipe-4in. and Larger-Shop Applied |
| C206 | 1997 | Field Welding of Steel Water Pipe |
| C207 | 2001 | Steel Pipe Flanges for Waterworks Service-Sizes 4 in. through 144 in. |
| C208 | 2001 | Dimensions for Fabricated Steel Water Pipe Fittings |
| C209 | 2000 | Cold-Applied Tape Coatings for the Exterior of Special Sections, Connections, and Fittings for Steel Water Pipelines |
| C210 | 2003 | Liquid Epoxy Coating Systems for the Interior of Steel Water Pipelines |
| C213 | 2001 | Fusion-Bonded Epoxy Coating for the Interior and Exterior of Steel Water Pipelines |
| C214 | 2000 | Tape Coating Systems for the Exterior of Steel Water Pipelines (Includes addendum C214a-91) |
| C215 | 2004 | Extruded Polyolefin Coatings for the Exterior of Steel Water Pipelines |
| C216 | 2000 | Heat-Shrinkable Cross-Linked Polyolefin Coatings for the Exterior of Special Sections, Connections, and Fittings for Steel Water Pipelines |
| C217 | 2004 | Cold-Applied Petrolatum Tape and Petroleum Wax Tape Coatings for the Exterior of Special Sections, Connections |
| C218 | 2002 | Coating the Exterior of Aboveground Steel Water Pipelines and Fittings |
| C219 | 2001 | Bolted, Sleeve-Type Couplings for Plain-End Pipe |
| C220 | 1998 | Stainless-Steel Pipe, 4 in. (100mm) and Larger Concrete Pipe |
| C221 | 2001 | Fabricated Steel Mechanical Slip-Type Expansion Joints |
| C222 | 1999 | Polyurethane Coatings for the Interior and Exterior of Steel Water Pipe and Fittings |
| C223 | 2002 | Fabricated Steel and Stainless Steel Taping Sleeves |
| C224 | 2001 | Two-Layer Nylon-11 Based Polyamide Coating System for Interior and Extended Water Pipe and Fittings |
| C225 | 2003 | Fused Polyolefin Coating Systems for the Exterior of Steel Water Pipeline |
| Concrete Pipe | ||
| C300 | 2004 | Reinforced Concrete Pressure Pipe, Steel- Cylinder Type, for Water and Other Liquids |
| C301 | 1999 | Prestressed Concrete Pressure Pipe, Steel- Cylinder Type, for Water and Other Liquids |
| C302 | 2004 | Reinforced Concrete Pressure Pipe, Non- cylinder Type, for Water and Other Liquids |
| C303 | 2002 | Reinforced Concrete Pressure Pipe, Steel-Cylinder Type, Pretensioned, for Water and Other Liquids |
| C304 | 1999 | Design of Concrete Cylinder Pipe Asbestos-Cement Pipe |
| Asbestos Cement | ||
| C400 | 2003 | Asbestos-Cement Distribution Pipe, 4 in. through 16 in. (100 mm through 400 mm) NPS, for Water and Other Liquids |
| C401 | 2003 | Practice for the Selection of Asbestos- Cement Distribution Pipe, 4 in. through 6 in. (100 mm through 400 mm) for Water and Other Liquids |
| C402 | 2005 | Asbestos-Cement Transmission Pipe, 18 in. through 42 in. (450 mm through1050 mm), for Potable Water and Other Liquids |
| C403 | 2005 | Practice for the Selection of Asbestos- Cement Transmission and Feeder Main Pipe, Sizes 18 in. through 42 in. (450 mm through 1050 mm) |
| VALVES AND HYDRANTS | ||
| C500 | 2002 | Gate Valves for Water and Sewerage Systems |
| C502 | 1994 | Dry-Barrel Fire Hydrants |
| C503 | 1997 | Wet-Barrel Fire Hydrants |
| C504 | 2000 | Rubber-Seated Butterfly Valves |
| C507 | 2005 | Ball Valves 6 in. through 48 in. (150 mm through 1200 mm) |
| C508 | 2001 | Swing-Check Valves for Waterworks Service, 2 in. through 24 in. NPS |
| C509 | 2001 | Resilient-Seated Gate Valves for Water and Sewerage Systems |
| C510 | 1997 | Double Check Valve Backflow-Prevention Assembly |
| C511 | 1997 | Reduced-Pressure Principle Backflow- Prevention Assembly |
| C512 | 2004 | Air Release, Air/Vacuum, and Combination Air Valves for Waterworks Service |
| C513 | 2005 | Open-Channel, Fabricated-Metal, Slide Gates and Open-Channel, Fabricated-Metal Weir Gates |
| C515 | 2001 | Reduced-Wall, Resilient-Seated Gate Valves for Water Supply Service |
| C540 | 2002 | Power-Actuating Devices for Valves and Sluice Gates |
| C550 | 2001 | Protective Epoxy Interior Coatings for Valves and Hydrants |
| C560 | 2000 | Cast-Iron Slide Gates |
| C561 | 2004 | Fabricated Stainless Steel Slide Gates |
| C563 | 2004 | Fabricated Composite Slide Gates |
| PIPE INSTALLATION | ||
| C600 | 1999 | Installation of Ductile-Iron Mains and Their Appurtenances |
| C602 | 2000 | Cement-Mortar Lining of Water Pipelines-4 in. (100 mm) and Larger-In Place |
| C603 | 1996 | Installation of Asbestos-Cement Pressure Pipe |
| C605 | 1994 | Underground Installation of Polyvinyl Chloride(PVC) Pressure Pipe and Fittings for Water |
| C606 | 2004 | Grooved and Shouldered Joints |
| DISINFECTION OF FACILITIES | ||
| C651 | 1999 | Disinfecting Water Mains |
| C652 | 2002 | Disinfection of Water-Storage Facilities |
| C653 | 2003 | Disinfection of Water Treatment Plants |
| C654 | 2003 | Disinfection of Wells |
| METERS | ||
| C700 | 2002 | Cold-Water Meters-Displacement Type, Bronze Main Case |
| C701 | 2002 | Cold-Water Meters-Turbine Type, for Customer Service |
| C702 | 2001 | Cold-Water Meters-Compound Type |
| C703 | 1996 | Cold-Water Meters-Fire Service Type |
| C704 | 2002 | Cold-Water Meters-Propeller Type for Main Line Applications |
| C706 | 1996 | Direct-Reading, Remote-Registration Systems for Cold-Water Meters |
| C707 | 1982 | Encoder-Type Remote-Registration Systems for Cold-Water Meters |
| C708 | 1996 | Cold-Water Meters-Multi-Jet Type |
| C710 | 2002 | Cold-Water Meters-Displacement Type, Plastic Main Case |
| C712 | 2002 | Cold-Water MeterSinglejet Type |
| C750 | 2003 | Transit-Time Flowmeters in Full Closed Conduits |
| SERVICE LINES | ||
| C800 | 2001 | Underground Service Line Valves and Fittings |
| PLASTIC PIPE | ||
| C900 | 1997 | Polyvinyl Chloride (PVC) Pressure Pipe, 4 in. through 12 in., for Water Distribution |
| C901 | 2002 | Polyethylene (PE) Pressure Pipe and Tubing, 1/2 in. through 3 in., for Water Service |
| C903 | 2002 | Polyethylene-Aluminum-Polyethylene and Crosslinked Polyethylene Composite Pressure Pipes |
| C905 | 1997 | Polyvinyl Chloride (PVC) Water Transmission Pipe, Nominal Diameters 14 in. through 36 in. |
| C906 | 1999 | Polyethylene (PE) Pressure Pipe and Fittings, 4 in. through 63 in., for Water Distribution |
| C907 | 2004 | Polyvinyl Chloride (PVC) Pressure Fittings for Water-4 in. through 8 in. (100 mm through 200 mm) |
| C908 | 2001 | PVC Self-Tapping Saddle Tees for Use on PVC Pipe |
| C909 | 2002 | Molecularly Oriented Polyvinyl Chloride (PVCO) Pressure Pipe, 4 In.-24(mm), for Water Distribution |
| C950 | 2001 | Fiberglass Pressure Pipe |
| STORAGE | ||
| D100 | 1996 | Welded Steel Tanks for Water Storage (Includes addendum D100a 1989) |
| D102 | 2003 | Coating and Steel Water-Storage Tanks |
| D103 | 1997 | Factory-Coated Bolted Steel Tanks for Water Storage |
| D104 | 2004 | Automatically Controlled, Impressed-Current Cathodic Protection for the Interior of Steel Water Tanks |
| D110 | 2004 | Wire-Wound Circular Prestressed-Concrete Water Tanks |
| D115 | 1995 | Circular Prestressed Concrete Water Tanks with Circumferential Tendon |
| D120 | 2002 | Thermosetting Fiberglass-Reinforced Plastic Tanks |
| D130 | 2002 | Flexible-Membrane-Lining and Floating-Cover Materials for Potable-Water Storage |
| PLANT EQUIPMENT | ||
| F101 | 2002 | Contact-Molded, Fiberglass-Reinforced Plastic Wash Water Troughs |
| F102 | 2002 | Matched-Die-Molded, Fiberglass-Reinforced Plastic Weir Plates, Scum B Mounting Brackets |
(See Revision Note at part heading for Env-Dw 407) #10614, eff 6-1-14
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