Current through Register Vol. 24-18, September 15, 2024
(1) The purveyor shall report to the
department as soon as possible, but no later than twenty-four hours after the
purveyor learns of any of the following events:
(a) A waterborne disease outbreak potentially
attributable to the water system occurs;
(b) The turbidity of water delivered to the
public exceeds 5.0 NTU;
(c) The
minimum level of inactivation required by the department is not met;
(d) The residual disinfectant concentration
falls below 0.2 mg/L at the entry point to the distribution system. The
purveyor shall also report whether the residual was restored to 0.2 mg/L or
more within four hours; or
(e) The
surface or GWI source is taken off-line due to an emergency.
(2) The purveyor shall report
results of monitoring conducted in accordance with WAC
246-290-694 to the department.
Monthly report forms shall be submitted within ten days after the end of each
month the system served water to the public.
(3) The purveyor shall report, at a minimum,
all the information requested by the department using a department-approved
form or format including:
(a) Water quality
information, including the results of both:
(i) Source coliform monitoring; and
(ii) Source turbidity monitoring.
(b) Disinfection monitoring
information, including:
(i) Level of
inactivation achieved;
(ii)
Residual disinfectant concentrations entering the distribution system;
and
(iii) Residual disinfectant
concentrations within the distribution system.
(c) A summary of water quality complaints
received from consumers served by the water system.
(4) The purveyor of a system that purchases
completely treated water shall:
(a) Report
results of distribution system residual disinfectant concentration monitoring
to the department using department-approved forms or format; and
(b) Submit forms to the department in
accordance with subsection (2) of this section or as otherwise directed by the
department.
(5) A person
certified under chapter 246-292 WAC shall complete and sign the monthly report
forms required in this section.
(6)
Beginning in 1992, by October 10th of each year, the purveyor shall submit to
the department an annual comprehensive report that summarizes the:
(a) Effectiveness of the watershed control
program and identifies, at a minimum, the following:
(i) Activities in the watershed that are
adversely affecting source water quality;
(ii) Changes in the watershed that have
occurred within the previous year that could adversely affect source water
quality;
(iii) Activities expected
to occur in the watershed in the future and how the activities will be
monitored and controlled;
(iv) The
monitoring program the purveyor uses to assess the adequacy of watershed
protection including an evaluation of sampling results; and
(v) Special concerns about the watershed and
how the concerns are being addressed;
(b) System's compliance with the criteria to
remain unfiltered under WAC
246-290-690, or, when applicable,
the criteria required if the system provides a limited alternative to
filtration under WAC
246-290-691; and
(c) Significant changes in system design
and/or operation that have occurred within the previous year that impact the
ability of the system to comply with the criteria to remain unfiltered, or, if
applicable, the ability of the system to provide a limited alternative to
filtration in accordance with WAC
246-290-692.
(7) The purveyor of a system attempting to
remain unfiltered or to remain with a limited alternative to filtration shall
submit a Filtration Decision Report at the request of the
department. The report shall:
(a) Provide the
information by which the department may determine whether a system continues to
meet the criteria to remain unfiltered or, if applicable, the criteria allowing
the provision of a limited alternative to filtration; and
(b) Be submitted on a schedule as specified
by the department.
Statutory Authority: RCW 43.20.050(2) and (3) and
70.119A.080. 03-08-037, § 246-290-696, filed 3/27/03, effective 4/27/03.
Statutory Authority: RCW 43.02.050 [43.20.050]. 99-07-021, § 246-290-696,
filed 3/9/99, effective 4/9/99. Statutory Authority: RCW 43.20.050. 94-14-001,
§ 246-290-696, filed 6/22/94, effective 7/23/94; 93-08-011 (Order 352B),
§ 246-290-696, filed 3/25/93, effective
4/25/93.
