|(a) This subchapter applies to graywater and alternative
onsite water generated and used at a private residence, commercial
facility, industrial facility, institution, or agriculture facility
regardless of the disposal method for other wastewater.
(b) This subchapter does not apply to reclaimed water
which is regulated by Subchapters A - E of this chapter (relating
to General Provisions; General Requirements for the Production, Conveyance,
and Use of Reclaimed Water; Quality Criteria and Specific Uses for
Reclaimed Water; Alternative and Pre-Existing Reclaimed Water Systems;
and Special Requirements for Use of Industrial Reclaimed Water).
(c) This subchapter does not regulate the design, construction,
or operation of on-site sewage facilities (OSSFs) but instead regulates
the design, construction, and operation of alternative water reuse
systems, combined reuse systems, and graywater reuse systems that
may be located at a site that uses an OSSF. The design, construction,
and operation of OSSFs are regulated by Chapter 285 of this title
(relating to On-Site Sewage Facilities).
(d) An existing graywater system shall comply with
the requirements of this subchapter as they existed on the date installation
was completed. The previous version of this subchapter is continued
in effect for this purpose.
(e) This subchapter does not authorize the diversion
or impoundment of state water, as defined in Chapter 297 of this title
(relating to Water Rights, Substantive).