Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Supplying Water to the Public › Part 16 - GENERAL PLANS › Section R. 325.11604 - Contents of general plans for all applicable systems

Current through Vol. 24-12, July 15, 2024
Rule 1604.
The general plan for a waterworks system shall contain a
					 description of the waterworks system, including all of the following:
(a) The general layout of the entire
				  waterworks system, including treatment systems and distribution systems, and
				  the location of valves, hydrants, storage tanks, watermains, pumps, wells, and
				  pumping facilities.
(b) Rated
				  capacity of the waterworks system, including capacity of the developed water
				  source, treatment system, storage tanks, pumping facilities, and equipment to
				  maintain system reliability.
(c)
				  Community and nontransient noncommunity water supplies shall complete a
				  distribution system materials inventory as follows:
(i) By January 1, 2020, a supply shall
				  complete and submit to the department, a preliminary distribution system
				  materials inventory in a form and manner specified by the department. The
				  preliminary inventory shall consist of a thorough assessment of distribution
				  system materials based on existing sources of information.
(ii) By January 1, 2025, a supply shall
				  submit a complete distribution system materials inventory, including
				  verification methodology, and provide the results of the inventory to the
				  department in a form and manner specified by the department. The materials
				  inventory under this subsection shall identify whether and where construction
				  materials listed in
				  40 C.F.R. §
												141.42(d) are present in the
				  piping, storage structure, pumps, and controls used to deliver water to the
				  public, including service lines.
(iii) The materials inventory shall include
				  all materials in the service lines, including the portion on private property.
				  The supply shall maintain a record of customers that fail to grant access to
				  the interior of the building. If access is denied, the record shall include the
				  date of the denial, to whom the denial was communicated, and the denial itself
				  in writing. If the customer does not respond to requests for access, the record
				  shall include the dates when and manner by which access was requested and by
				  whom it was requested.
(iv) If the
				  supply is unable to determine the content of sections of a service line, the
				  supply shall, in writing, notify the owner and occupant of the premises of the
				  potential for lead in the service line and provide information on lead in
				  drinking water hazards and remediation.
(v) Within 30 days of determining a service
				  line contains lead or is presumed to contain lead, the supply shall provide the
				  owner and occupant of the premises with a written notification of the service
				  line material content. The notification shall include language encouraging
				  residential customers to have a home plumbing materials evaluation completed.
				  Any time a new water account is opened at a premises that is known or presumed
				  to be served by a lead service line, the water supply shall provide the owner
				  and occupant of the premises with a written notification of the service line
				  material content.
(vi) A community
				  water supply with lead service lines or service lines of unknown content shall
				  include service line information in their annual consumer confidence report,
				  including the number of lead service lines, number of service lines of unknown
				  material, and the total number of service lines in the supply. This information
				  shall also be made available on the supplys public website, or upon request if
				  the supply does not have a website.
(vii) A supply with lead service lines shall
				  annually provide the department a summary of service line repairs or
				  replacements in a form and manner specified by the department.
(viii) A supply shall conduct a comprehensive
				  update of its materials inventory every 5 years and submit the updated
				  inventory to the department in a form and manner specified by the
				  department.