Code of Colorado Regulations
1000 - Department of Public Health and Environment
1002 - Water Quality Control Commission (1002 Series)
5 CCR 1002-11 - REGULATION NO. 11 - COLORADO PRIMARY DRINKING WATER REGULATIONS
Section 5 CCR 1002-11.36 - RECORDKEEPING REQUIREMENTS RULE
Universal Citation: 5 CO Code Regs 1002-11 ยง 36
Current through Register Vol. 47, No. 17, September 10, 2024
11.36(1) Applicability
For all public water systems, the supplier must comply with the recordkeeping requirements specified in this rule.
11.36(2) Records Availability
(a) All records pertaining to the operation
and water quality of a public water system are public information and the
Department shall make them available to the public upon request, during normal
working hours.
(b) Upon request by
the Department, the supplier must submit copies of any records required to be
maintained or any documents in existence, which the Department is entitled to
inspect pursuant to the Colorado Primary Drinking Water
Regulations.
11.36(3) General Recordkeeping Requirements
(a) The supplier must
maintain all records required to be maintained under the Colorado
Primary Drinking Water Regulations on the system's premises or at a
convenient location near the premises.
(b) For each sample result, the supplier must
either maintain the actual laboratory reports or transfer the data to tabular
summaries.
(i) If the supplier maintains
tabular summaries, the supplier must include all of the following information
in the summaries:
(A) The date, place, and
time of sample collection, and the name of the person who collected the
sample.
(B) Identification of the
sample type (i.e., routine distribution system sample, routine entry point
sample, confirmation sample, source water or finished water sample, or a
special purpose sample).
(C) Date
of laboratory analysis.
(D) The
name of the laboratory and the person responsible for performing the
analysis.
(E) The analytical method
used.
(F) The results of the
analyses.
(c)
Unless otherwise specified, the supplier must maintain the records of the
action(s) taken to correct each violation for at least three years from the
date on which the last action was taken to correct the violation.
(d) The supplier must maintain records of
microbiological sample results for at least five years.
(e) The supplier must maintain records of
chemical sample results for at least ten years, unless otherwise
specified.
11.36(4) Additional Recordkeeping Requirements by Rule
(a)
Recordkeeping Requirements
for Monitoring Plans
For each sample result, the supplier must maintain the monitoring plan specified in 11.5 under which the sample was collected for the same time period that the sample result is required to be maintained.
(b)
Recordkeeping
Requirements for the Surface Water Treatment Rules
(i) The supplier must maintain all of the
following information for at least three years:
(A) The results of individual filter
monitoring collected under 11.8(2)(g).
(B) Any notification to the Department that
the supplier will not conduct source water monitoring due to meeting the
criteria specified in 11.10(2)(a)(v).
(C) The results of treatment monitoring
associated with microbial toolbox options collected under 11.10(5)(b) through
11.10(5)(o), as applicable.
(ii) The supplier must maintain all of the
following information for at least three years after bin classification under
11.10(3)(b):
(A) The initial round of source
water monitoring results collected under 11.10(2).
(B) The second round of source water
monitoring results collected under 11.10(2).
(iii) The supplier must maintain the records
of turbidity sample results collected under 11.8 for at least five
years.
(iv) The supplier must
maintain the following recycle flow information:
(A) A copy of the recycle notification and
information submitted to the Department under 11.9(4).
(B) A list of all recycle flows and the
frequency with which they are returned.
(C) The average and maximum backwash flow
rate through the filters and the average and maximum duration of the filter
backwash process in minutes.
(D)
The typical filter run length and a written summary of how filter run length is
determined.
(E) The type of
treatment provided for the recycle flow.
(F) 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.
(v) The supplier must maintain all of the
following information indefinitely:
(A) The
results of the disinfection profile, including raw data and analysis, specified
in 11.8(4).
(B) The results of the
disinfection benchmark, including raw data and analysis, specified in
11.8(5).
(c)
Recordkeeping Requirements for the Groundwater Rules
(i) The supplier must maintain all of the
following information for at least five years:
(A) For each minimum residual disinfection
concentration treatment technique requirement sample collected under
11.11(2)(c):
(I) The date, place, and time of
sample collection, and the name of the person(s) who collected and analyzed the
sample;
(II) The analytical
technique/method used; and
(III)
The results of the analyses.
(B) Documentation specified in
11.11(2)(e)(i)(C) relating to any entry point minimum disinfection treatment
technique violation.
(C) For
systems operating under a disinfection waiver under 11.13, all records of all
chlorination activities including:
(I) The
date, duration, locations and purpose of each chlorination event; and
(II) The maximum and minimum chlorine dose in
mg/L the supplier applied during each chlorination event and the results of any
and all residual disinfectant concentration results collected during each
chlorination event.
(D)
Records of decisions that a total coliform-positive sample result meets
Department criteria for distribution system conditions that cause total
coliform-positive sample results under 11.11(4)(a)(ii)(B).
(E) Records of invalidation of fecal
indicator-positive groundwater source samples under 11.11(4)(e)(i).
(F) For consecutive systems, documentation of
notification to wholesalers of total-coliform positive samples specified in
11.11(4)(c)(i) that are not invalidated under 11.16(7).
(G) For systems that provide 4-log treatment
of viruses using chemical disinfection and are required to comply with the
requirements specified in 11.11(3):
(I)
Records of the lowest daily residual disinfectant concentration; and
(II) Records of the date and duration of any
failure to maintain the Department-specified minimum residual disinfectant
concentration for a period of more than four hours.
(H) For systems that provide 4-log treatment
of viruses using alternative treatment methods and are required to comply with
11.11(3):
(I) Records of Department-specified
parameters for approved alternative treatment; and
(II) Records of the date and duration of any
failure to meet the alternative treatment operating requirements for a period
of more than four hours.
(ii) The supplier must maintain all of the
following information for at least 10 years:
(A) For all systems that provide 4-log
treatment of viruses that are required comply with 11.11(3), records of the
Department-approved minimum residual disinfectant concentration.
(B) Documentation of corrective actions
required in response to fecal indicator positive triggered source water
monitoring sample results under 11.11(6).
(iii) For a system operating under a
disinfection waiver, the supplier must maintain records of all correspondence
and documentation relating to the requirements specified in 11.13 for as long
as the system is operating under the disinfection waiver and for at least five
years after waiver withdrawal.
(d)
Recordkeeping Requirements
for the Revised Total Coliform Rule
(i) The supplier must maintain all of the
following information for at least five years after completion of the
assessment or corrective action:
(A)
Completed assessment forms, regardless of who conducts the
assessment.
(B) Documentation of
corrective actions completed as a result of those assessments.
(C) Available summary documentation of the
sanitary defects and corrective actions as specified in 11.16(9).
(ii) If the supplier collects
special purpose samples, the supplier must keep E.
coli-positive sample results that are representative of water
throughout the distribution system and a summary of any related follow-up
activities on file for Department review for at least five years.
(iii) If the Department grants an extension
to the 24-hour limit for collecting repeat samples, as specified in 11.16(5),
the supplier must maintain a record of the repeat sample results for at least
five years.
(e)
Recordkeeping Requirements for the Disinfection Byproducts
Rule
(i) If the supplier was
required to complete an IDSE report, the supplier must maintain a complete copy
of the IDSE report for at least 10 years after the date that the report was
submitted.
(A) If the Department modified the
supplier's sampling requirements that were in the system's IDSE report or if
the Department approved alternative sampling locations, the supplier must keep
a copy of the Department's notification on file for 10 years after the date of
the Department's notification.
(B)
The supplier must make the IDSE report and any Department notification
available for review by the Department or the public.
(ii) If the supplier submitted a 40/30
certification, the supplier must maintain a complete copy of the 40/30
certification for at least 10 years after the date that the certification was
submitted.
(A) "40/30 CERTIFICATION" means a
historical requirement where the supplier certified to the Department that
every individual sample result collected during eight consecutive quarters was
less than or equal to (<=) 0.040 mg/L for TTHM and less than or equal to
(<=) 0.030 mg/L for HAA5 and no TTHM or HAA5 violations occurred during that
time.
(B) The supplier must make
the 40/30 certification and any Department notification available for review by
the Department or the public.
(f)
Recordkeeping Requirements
for the Lead and Copper Rule and Revisions
The supplier must maintain the original records of all sample results and analyses, reports, surveys, letters, evaluations, schedules, Department determinations, and any other information required by 11.17 and 11.26 for at least 12 years.
(g)
Recordkeeping Requirements
for the Storage Tank Rule
For each completed inspection, the supplier must maintain the inspection summary required by 11.28(3)(f) for at least ten years.
(h)
Recordkeeping
Requirements for the Public Notification Rule
The supplier must maintain copies of each public notice and certification made to the Department under 11.33 for at least three years after issuance.
(i)
Recordkeeping Requirements for the Consumer Confidence Report (CCR)
Rule
The supplier must retain copies of each CCR required by 11.34 for at least three years after issuance.
(j)
Recordkeeping Requirements
for the Sanitary Survey Rule
(i)
The supplier must maintain all of the following information regarding sanitary
surveys conducted under 11.38 for at least 10 years:
(A) Copies of any written reports, summaries
or communications relating to sanitary surveys of the system conducted by the
system itself, a private consultant, or a local, state or federal
agency.
(B) Documentation of
corrective actions required in response to significant deficiencies and/or
violations identified on a sanitary survey under 11.38(3).
(k)
Recordkeeping
Requirements for the Backflow Prevention and Cross-Connection Control
Rule
(i) The supplier must
maintain all backflow prevention assembly and backflow prevention method
testing, inspection, and maintenance records:
(A) For community water systems, for at least
three years.
(B) For non-community
water systems, for at least five years.
(ii) The supplier must maintain each annual
backflow prevention and cross-connection control program report developed:
(A) For community water systems, for at least
three years.
(B) For non-community
water systems, for at least five years.
(l)
Recordkeeping Requirements
for the Water Hauler Rule
(i) The
supplier must maintain all of the following information for at least five years
for each tank or container:
(A) The date,
time, and location of each water loading station used.
(B) The date, time, and location of each
water delivery.
(C) The date, time,
and result of each residual disinfectant concentration sample collected under
11.41(2)(b).
(D) The date, time,
type and quantity of any chemical added to the tank or container containing
water intended for delivery.
(E) A
maintenance record for all hose materials, hose containers, pumps, fittings and
tank and/or container including the date, time and method of cleaning and/or
disinfection.
(m)
Recordkeeping Requirements
for the Variances and Exemptions Rule
The supplier must maintain records concerning a variance or exemption granted under 11.43 for at least five years after the expiration of the variance or exemption.
Disclaimer: These regulations may not be the most recent version. Colorado may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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