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Technical Guidelines for Ultraviolet Disinfection for Non-Community Water Systems

March 11, 2014
To provide guidance on the design, installation, operation and acceptance of ultraviolet light (UV) disinfection for Non-Transient Non-Community (NTNC) and Transient Non-Community (TNC) water systems with properly protected groundwater sources (as determined considering the source and site information required under 3.b.

Evaluating Water System Hydraulics

December 18, 2024
This document provides a general summary of the requirements of the Vermont Water Supply Rule, Chapter 21 of the State of Vermont Environmental Protection Rules (the Rule) that relate to distribution hydraulic conditions, a definition of commonly used terms, and information about planning, conducting, and reporting on pressure tests, hydrant flow tests, hydraulic grade line evaluations, and hydraulic models.
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