Washington Administrative Code
Title 246 - Health, Department of
WATER SYSTEMS
Chapter 246-290 - Group A public water supplies
Part 5 - WATER SYSTEM OPERATIONS
Section 246-290-480 - Recordkeeping and reporting
Universal Citation: WA Admin Code 246-290-480
Current through Register Vol. 24-18, September 15, 2024
(1) Records. The purveyor shall keep the following records of operation and water quality analyses:
(a) Bacteriological and
turbidity analysis results must be kept for five years. Chemical analysis
results must be kept for as long as the system is in operation. Records of
source meter readings must be kept for ten years. Other records of operation
and analyses required by the department shall be kept for three years. All
records must bear the signature of the operator in responsible charge of the
water system or his or her representative. Systems must keep these records
available for inspection by the department and must send the records to the
department if requested. Actual laboratory reports may be kept or data may be
transferred to tabular summaries, provided the following information is
included:
(i) The date, place, and time of
sampling, and the name of the person collecting the sample;
(ii) Identification of the sample type
(routine distribution system sample, repeat sample, source or finished water
sample, or other special purpose sample);
(iii) Date of analysis;
(iv) Laboratory and person responsible for
performing analysis;
(v) The
analytical method used; and
(vi)
The results of the analysis.
(b) The purveyor shall maintain documentation
of any level 1 or level 2 assessment regardless of who conducts the assessment,
and documentation of corrective actions completed as a result of the
assessments, or other summary documentation of the sanitary defects and
corrective actions taken under WAC
246-290-320(2)
for department review. The documentation must be maintained by the purveyor for
a period of not less than five years after completion of the assessment or
corrective action.
(c) For
consecutive systems, documentation of notification to the wholesale systems of
total coliform-positive samples that are not invalidated under WAC
246-290-300(3)(d)
must be kept for a period of not less than
five years.
(d) Records of action
taken by the system to correct violations of primary drinking water standards
and exceedances of SALs. For each violation of a primary drinking water
standard or SAL exceedance, records of actions taken to correct the violations
or SAL exceedance, and copies of public notifications must be kept for a period
of no less than ten years after the last corrective action taken.
(e) Copies of any written reports, summaries,
or communications relating to sanitary surveys or SPI of the system conducted
by system personnel, by a consultant or by any local, state, or federal agency,
must be kept for ten years after completion of the sanitary survey or SPI
involved.
(f) Copies of project
reports, construction documents and related drawings, inspection reports and
approvals must be kept for the life of the facility.
(g) Where applicable, records of the
following must be kept for a minimum of three years:
(i) Chlorine residual;
(ii) Fluoride level;
(iii) Water treatment plant performance
including, but not limited to:
(A) Type of
chemicals used and quantity;
(B)
Amount of water treated;
(C)
Results of analyses; and
(iv) Other information as specified by the
department.
(h) The
purveyor shall retain copies of public notices made under Part 7, Subpart A of
this chapter and certifications made to the department under
40 C.F.R.
141.33(e) for a period of at
least three years after issuance.
(i) Purveyors using conventional, direct, or
in-line filtration that recycle spent filter backwash water, thickener
supernatant, or liquids from dewatering processes within their treatment plant
shall, beginning no later than June 8, 2004, collect and retain on file the
following information for review and evaluation by the department:
(i) A copy of the recycle notification and
information submitted to the department under WAC
246-290-660(4)(a)(i).
(ii) A list of all recycle flows and the
frequency with which they are returned.
(iii) Average and maximum backwash flow rate
through the filters and the average and maximum duration of the filter backwash
process in minutes.
(iv) Typical
filter run length and a written summary of how filter run length is
determined.
(v) The type of
treatment provided for the recycle flow.
(vi) Data on the physical dimensions of the
equalization and/or treatment units, typical and maximum hydraulic loading
rates, type of treatment chemicals used and average dose and frequency of use,
and frequency at which solids are removed, if applicable.
(j) Purveyors required to conduct
disinfection profiling and benchmarking under
40 C.F.R.
141.530 through
141.544
shall retain the results on file indefinitely.
(k) Copies of monitoring plans developed
under this chapter shall be kept for the same period of time as the records of
analyses taken under the plan are required to be kept under (a) of this
subsection.
(l) Purveyors using
surface water or GWI sources must keep the records required by
40 C.F.R.
141.722.
(2) Reporting.
(a) Unless otherwise specified in this
chapter, the purveyor shall report to the department within forty-eight hours
the failure to comply with any national primary drinking water regulation or a
SAL (including failure to comply with any monitoring requirements) as set forth
in this chapter. For violations assigned to Tier 1 in WAC 246-290-71001 or in
Table 17 in WAC
246-290-71006, the purveyor shall
notify the department as soon as possible, but no later than twenty-four hours
after the violation or SAL exceedance is known.
(b) The purveyor shall submit to the
department reports required by this chapter, including tests, measurements, and
analytic reports. Monthly reports are due before the tenth day of the following
month, unless otherwise specified in this chapter.
(c) The purveyor shall submit to the
department copies of any written summaries or communications relating to the
status of monitoring waivers during each monitoring cycle or as directed by the
department.
(d) Source meter
readings must be made available to the department.
(e) Water facilities inventory form (WFI).
(i) Purveyors of community and NTNC systems
shall submit an annual WFI update to the department;
(ii) Purveyors of TNC systems shall submit an
updated WFI to the department as requested;
(iii) Purveyors shall submit an updated WFI
to the department within thirty days of any change in name, category,
ownership, or responsibility for management of the water system, or addition of
source or storage facilities; and
(iv) At a minimum the completed WFI shall
provide the current names, addresses, and telephone numbers of the owners,
operators, and emergency contact persons for the system.
(f) Bacteriological.
(i) The purveyor shall notify the department
of the presence of total coliform in a sample within ten days of notification
by the laboratory;
(ii) Prior to
serving water to the public, a seasonal system shall submit a certification to
the department demonstrating that the system has complied with the
department-approved start-up procedure; and
(iii) The system shall report treatment
technique violations identified under WAC
246-290-320(2)(f)
to the department no later than the end of
the next business day after the violation is known.
(g) Systems monitoring for disinfection
byproducts under WAC
246-290-300(6)
shall report information to the department as specified in (a) and (b) of this
subsection, and
40 C.F.R.
141.134(b).
(h) Systems monitoring for disinfectant
residuals under WAC
246-290-300(6)
shall report information to the department as specified in (a) and (b) of this
subsection, and
40 C.F.R.
141.134(c).
(i) Systems required to monitor for
disinfection byproduct precursor removal under WAC
246-290-300(6)
shall report information to the department as specified in (a) and (b) of this
subsection, and
40 C.F.R.
141.134(d).
(j) Systems required to monitor for
disinfection byproducts under WAC
246-290-300(6)
shall report information to the department as specified in (a) and (b) of this
subsection, and
40 C.F.R.
141.600- 629.
(k) Systems subject to the enhanced treatment
requirements for Cryptosporidium under WAC
246-290-630(4)
shall report information to the department as specified in
40 C.F.R.
141.706 and
141.721.
(l) Systems that use acrylamide and
epichlorohydrin in the treatment of drinking water, must certify annually in
writing to the department that the combination (or product) of dose and monomer
level does not exceed the levels specified in (l)(i) and (ii) of this
subsection. Certifications must reference maximum use levels established by an
ANSI-accredited listing organization approved by the department.
(i) Acrylamide = 0.05 percent dosed at 1 ppm
(or equivalent); and
(ii)
Epichlorohydrin = 0.01 percent dosed at 20 ppm (or equivalent).
(m) Use of products that exceed
the specified levels constitutes a treatment technique violation and the public
must be notified under the public notice requirements under Part 7, Subpart A
of this chapter.
(n) Systems shall
submit to the department, in accordance with
40 C.F.R.
141.31(d), a certification
that the system has complied with the public notification regulations (Part 7,
Subpart A of this chapter) when a public notification is required. Along with
the certification, the system shall submit a representative copy of each type
of notice.
Statutory Authority: RCW 43.20.050 and 70.119A.080. 10-20-068, § 246-290-480, filed 9/29/10, effective 11/1/10. Statutory Authority: RCW 43.20.050. 09-21-045, § 246-290-480, filed 10/13/09, effective 1/4/10. Statutory Authority: RCW 70.119A.180 and 43.20.050. 08-03-061, § 246-290-480, filed 1/14/08, effective 2/14/08. Statutory Authority: RCW 70.119A.180. 07-02-025B, § 246-290-480, filed 12/22/06, effective 1/22/07. Statutory Authority: RCW 43.20.050 and 70.119A.080. 04-04-056, § 246-290-480, filed 1/30/04, effective 3/1/04. Statutory Authority: RCW 43.20.050(2) and (3) and 70.119A.080. 03-08-037, § 246-290-480, filed 3/27/03, effective 4/27/03. Statutory Authority: RCW 43.02.050 [43.20.050]. 99-07-021, § 246-290-480, filed 3/9/99, effective 4/9/99. Statutory Authority: RCW 43.20.050. 94-14-001, § 246-290-480, filed 6/22/94, effective 7/23/94; 93-08-011 (Order 352B), § 246-290-480, filed 3/25/93, effective 4/25/93; 92-04-070 (Order 241B), § 246-290-480, filed 2/4/92, effective 3/6/92; 91-02-051 (Order 124B), recodified as § 246-290-480, filed 12/27/90, effective 1/31/91. Statutory Authority: P.L. 99-339. 89-21-020 (Order 336), § 248-54-265, filed 10/10/89, effective 11/10/89. Statutory Authority: RCW 34.04.045. 88-05-057 (Order 307), § 248-54-265, filed 2/17/88. Statutory Authority: RCW 43.20.050. 83-19-002 (Order 266), § 248-54-265, filed 9/8/83.
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