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Water Treatment Plant Forms

For Massachusetts' public drinking water systems.
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WS 21: Approval to Conduct Pilot Study 
WS 22: Approval of Pilot Study Report 
WS 23, 24: Approval to Construct a Water Treatment Facility 
WS 25: Approval of Treatment Facility Modification 
WS 29: Chemical Addition Retrofit of Water Systems Serving More than 3,300 People 
WS 34: Water Treatment - Chemical Addition Retrofit of Water Systems Serving Less than 3,300 People 
Water Supply Facility Checklist for Potassium Hydroxide (KOH) or Sodium Hydroxide (NaOH) for Permit Review/Approval (English, DOC 563 KB)
Water Supply Facility Checklist for Hypochlorination Using Sodium Hypochlorite (NaOCl) or Calcium Hypochlorite (Ca(OCl)2) for Permit Review/Approval (English, DOC 744.5 KB)
Water Supply Facility Checklist for Chlorination Using Cl2 Gas for Permit Review/Approval (English, DOC 589.5 KB)
Water Supply Facility Checklist for Fluoridation Using Sodium Fluoride Saturator for Permit Review/Approval (English, DOC 511 KB)
Water Supply Facility Checklist for Hydrofluosilicic or Fluorosilicic Acid (H2SiF6) for Permit Review/Approval (English, DOC 519.5 KB)
Water Supply Facility Checklist for Various Forms of Phosphate Compounds Used for Corrosion Control and Sequestering for Permit Review/Approval (English, DOC 493.5 KB)
Water Supply Facility Checklist for Ultraviolet (UV) Disinfection for Permit Review/Approval (English, DOC 488.5 KB)
Water Supply Facility Checklist for Chloramine Formation Using an Ammonia Compound for Permit Review/Approval (English, DOC 744 KB)
Water Supply Facility Checklist for Disinfection Using On Site Generated Chlorine Dioxide (ClO2) for Permit Review/Approval (English, DOC 749.5 KB)

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