Current through Register Vol. 55, No. 13, March 29, 2025
(a) A community water supplier shall conduct
an evaluation of the water system at least annually. The evaluation shall
include the following activities:
(1) An
inspection of portions of the source water protection area necessary to
identify and evaluate actual and potential sources of contamination.
(i) An inspection of a source water
protection area shall include a review of available information pertaining to
possible sources of contamination such as underground storage tanks, onlot
disposal systems and other activities that may have an adverse impact on water
quality or quantity.
(ii) Specific
hydrogeological studies of sources of contamination are not necessary unless
required under §
109.4, §
109.602 or §
109.603 (relating to general
requirements; acceptable design; and source quality and quantity) or other
rules of the Department.
(iii)
Revisions to the source water assessment if the inspection identified changes
to actual or potential sources of contamination.
(2) Evaluation of intake structures and
transmission facilities.
(3)
Treatment facilities inspection consisting of an evaluation of the
effectiveness of the operation and maintenance procedures and the condition and
operability of permitted facilities.
(4) Evaluation of finished water storage
facilities and the distribution system.
(5) Pressure surveys consisting of a
measurement of pressures at representative points in the distribution system,
which shall include new water line extensions. Surveys shall be made during
periods of maximum and minimum usage. Records of these surveys shall show the
date and time of the beginning and end of the test and the location at which
the test was made.
(6) The results
of the annual system evaluation must be documented and made available to the
Department upon request.
(b) A public water system shall conduct Level
1 and 2 assessments required under §
109.202(c)(4)
(relating to State MCLs, MRDLs and treatment technique requirements). The
public water system shall also comply with any expedited actions or additional
actions required by the Department in the case of an E. coli
MCL violation.
(1) A Level 1 or Level 2
assessment must include review and identification of the following elements, at
a minimum:
(i) Atypical events that could
affect distributed water quality or indicate that distributed water quality was
impaired.
(ii) Changes in
distribution system maintenance and operation that could affect distributed
water quality, including water storage.
(iii) Sources and treatment processes that
impact distributed water quality.
(iv) Existing water quality monitoring
data.
(v) Inadequacies in sample
sites, sampling protocols and sample processing.
(2) Within 30 days of triggering a Level 1 or
Level 2 assessment under §
109.202(c)(4), a
public water system shall complete the appropriate assessment and submit a
report to the Department on forms acceptable to the Department.
(3) A Level 1 assessment shall be conducted
by competent personnel qualified to operate and maintain the water system's
facilities.
(4) A Level 2
assessment shall be conducted by one or more individuals meeting the following
criteria:
(i) Holds a valid certificate issued
under Chapter 302 (relating to administration of the water and wastewater
systems operators' certification program) to operate a water system.
(ii) Maintains certification in the
appropriate class and subclassifications as defined in Chapter 302 for the size
and treatment technologies for the water system being assessed.
(5) The Department may conduct a
Level 1 or Level 2 assessment in addition to the assessment conducted by the
public water system.
(6) In the
completed assessment report, the public water system shall describe all
sanitary defects identified, corrective actions completed and a proposed
timetable for any corrective actions not already completed. The assessment
report may also note that no sanitary defects were identified.
(7) If the Department determines that a Level
1 or Level 2 assessment is not sufficient, the public water system shall
consult with the Department within 14 days of receiving written notification
from the Department that the assessment is not sufficient. Following
consultation, the Department may require a public water system to revise the
assessment. A public water system shall submit a revised assessment form to the
Department no later than 30 days from the date of consultation.
(8) Public water systems shall correct
sanitary defects found through either a Level 1 or Level 2 assessment conducted
in accordance with this subsection. For corrections not completed by the time
of submission of the assessment report, the public water system shall complete
the corrective actions in compliance with a timetable approved by the
Department in consultation with the system. The system shall notify the
Department when each scheduled corrective action is completed.
(9) At any time during the assessment or
corrective action phase, either the public water system or the Department may
request a consultation with the other party to determine the appropriate
actions to be taken. The public water system may consult with the Department on
all relevant information that may impact its ability to comply with a
requirement of this subsection.
The provisions of this § 109.705 amended under section 4 of
the Pennsylvania Safe Drinking Water Act (35 P.S. §
721.4); and section 1920-A of The
Administrative Code of 1929 (71 P.S. §
510-20).
This section cited in 25 Pa. Code §
109.202 (relating to State MCLs,
MRDLs and treatment technique requirements); 25 Pa. Code §
109.701 (relating to reporting and
recordkeeping); 25 Pa. Code §
109.702 (relating to operation and
maintenance plan); and 25 Pa. Code §
109.1008 (relating to system
management responsibilities).