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New Hampshire Code of Administrative Rules
Env-Dw
Chapter 400
Public Water System Classification and Design
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401
Public Water System Classification
402
Design Standards for All Public Water Systems
403
Coatings, Additives, and Lead Prohibition
404
Design Standards for Large Community Water Systems and Community Water Systems Serving Fire Protection Hydrants
405
Design Standards for Small Community Water Systems
406
Design Standards for Non-community Water Systems