Skip to main content

Alterations at noncommunity water supplies

Alterations to noncommunity (Type II) water supplies require approval to make sure that Safe Drinking Water Act (Act 399) requirements are met.

Alteration means the modification of, or addition to, an existing waterworks system, or portion of the system, that affects any of the following:

  • Flow
  • Capacity
  • System service area
  • Source
  • Treatment
  • Reliability

Type II water supplies shall submit construction details and an acceptable scaled drawing properly dimensioned showing important aspects of the general layout of a proposed waterworks system, or portion of the waterworks system, and shall obtain a permit for the construction or alteration of source facilities, pumping facilities, distribution systems and storage facilities, and any treatment for public health purposes or treatment, such as chemical injection that may affect public health, prior to construction.

View the memo for more information