Haw. Code R. § 11-20-34 - Special monitoring for sodium
(a) Suppliers of
water for community public water systems shall collect and analyze one sample
per plant at the entry point of the distribution system for the determination
of sodium concentration levels; samples shall be collected and analyzed
annually for public water systems utilizing solely surface water sources in
whole or in part, and at least every three years for public water systems
utilizing ground water sources The minimum number of samples required to be
taken by the public water system shall be based on the number of treatment
plants used by the public water system, except that multiple wells drawing raw
water from a single aquifer may, with the director's approval, be considered
one treatment plant for determining the minimum number of samples The supplier
of water may be required by the director to collect and analyze water samples
for sodium more frequently in locations where the sodium content is
variable
(b) The supplier of water
shall report to the director the results of the analyses for sodium within the
first ten days of the month following the month in which the sample results
were received or within the first ten days following the end of the required
monitoring period as stipulated by the director, whichever of these is first.
If more than annual sampling is required, the supplier shall report the average
sodium concentration within ten days of the month following the month in which
the analytical results of the last sample used for the annual average was
received.
(c) The supplier of
water shall notify appropriate local and state public health officials of the
sodium levels by written notice by direct mail within three months. A copy of
each notice required to be provided by this paragraph shall be sent to the
director within ten days of its issuance.
(d)
Analyses for sodium shall be performed by the methods specified
in
40 C.F.R.
§
141.23(k)(1).
Notes
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