California Code of Regulations › Title 22 - Social Security › Division 4 - Environmental Health › Chapter 15 - Domestic Water Quality and Monitoring Regulations › Article 2 - General Requirements › Section 64414 - Standby Sources

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) A
				  source which has been designated "standby" shall be monitored a minimum of once
				  every compliance cycle for all inorganic, organic, and radiological MCLs,
				  unless a waiver has been granted by the State Board pursuant to Section
				  64432(m) or (n)
				  for inorganics, Section
				  64432.2(c) for
				  asbestos, or Section
				  64445(d) for
				  organics.
(b) A standby source
				  which has previous monitoring results indicating nitrate or nitrite levels
				  equal to or greater than 50 percent of the MCL shall collect and analyze a
				  sample for nitrate and nitrite annually. In addition, upon activation of such a
				  source, a sample shall be collected, analyzed for these chemicals and the
				  analytical results reported to the State Board within 24 hours of
				  activation.
(c) A standby source
				  shall be used only for short-term emergencies of five consecutive days or less,
				  and for less than a total of fifteen calendar days a year.
(d) Within 3 days after the short-term
				  emergency use of a standby source, the water supplier shall notify the State
				  Board. The notification shall include information on the reason for and
				  duration of the use.
(e) The status
				  of a designated standby source shall not be changed to that of a regular source
				  of drinking water supply, unless the source meets all existing drinking water
				  standards and approval is obtained from the State Board in advance.
(f) A standby source for which perchlorate
				  has been previously detected shall have a sample collected and analyzed for
				  perchlorate annually. Additionally, upon activation of such a source, a sample
				  shall be collected and analyzed for perchlorate, and the analytical result
				  shall be reported to the State Board within 48 hours of activation.
1. Repealer
					 and new section filed 9-8-94 as an emergency; operative 9-8-94 (Register 94,
					 No. 36). A Certificate of Compliance must be transmitted to OAL by 1-6-95 or
					 emergency language will be repealed by operation of law on the following day.
					 For prior history, see Register 88, No. 51.
2. Repealer and new
					 section refiled 1-3-95 as an emergency; operative 1-3-95 (Register 95, No. 1).
					 A Certificate of Compliance must be transmitted to OAL by 5-3-95 or emergency
					 language will be repealed by operation of law on the following
					 day.
3. Repealer and new section refiled 4-26-95 as an emergency;
					 operative 4-26-95 (Register 95, No. 17). A Certificate of Compliance must be
					 transmitted to OAL by 8-24-95 or emergency language will be repealed by
					 operation of law on the following day.
4. Certificate of Compliance
					 as to 4-26-95 order including amendment of subsection (b) and NOTE transmitted
					 to OAL 5-5-95 and filed 6-19-95 (Register 95, No. 25).
5. Amendment
					 of subsection (a), new subsection (f) and amendment of NOTE filed 10-29-2008;
					 operative 11-28-2008 (Register 2008, No. 44).
6. Change without
					 regulatory effect amending section and NOTE filed 6-2-2015 pursuant to section
					 100, title 1, California Code of
					 Regulations (Register 2015, No. 23).
Note: Authority cited: Sections
						116271
						and
						116375,
						Health and Safety Code. Reference: Sections
						116385,
						Health and Safety Code.