Florida Administrative Code › 62 - DEPARTMENT OF ENVIRONMENTAL PROTECTION › 62 - Departmental › Chapter 62-560 - REQUIREMENTS FOR PUBLIC WATER SYSTEMS THAT ARE OUT OF COMPLIANCE › Section 62-560.610 - Best Available Technology for Achieving Compliance with a Maximum Contaminant Level or Maximum Residual Disinfectant Level

Current through Reg. 50, No. 138; July 16, 2024
(1) The
				technologies listed in Table 1 are Best Available Technology for achieving
				compliance with the maximum contaminant levels for inorganic contaminants
				listed in subsection  62-550.310(1),
				F.A.C.
(2) Best Available
				Technology for achieving compliance with the maximum residual disinfectant
				levels listed in subsection
				 62-550.310(2),
				F.A.C., is control of treatment processes to reduce disinfectant demand or
				control of disinfection treatment processes to reduce disinfectant
				levels.
(3) The Administrator of
				the U.S. Environmental Protection Agency, pursuant to section 1412 of the
				Federal Safe Drinking Water Act, hereby identifies the following as the best
				technology, treatment techniques, or other means available for achieving
				compliance with the maximum contaminant levels for bromate and chlorite
				identified in 40 C.F.R.
				§
										141.64(a) (which is
				incorporated in subparagraph
				 62-550.310(3)(a) 
				1., F.A.C.):
DISINFECTION BYPRODUCT
BEST AVAILABLE TECHNOLOGY
Bromate
Control of ozone treatment process to reduce
							 production of bromate
Chlorite
Control of treatment processes to reduce disinfectant
							 demand and control of disinfection treatment processes to reduce disinfectant
							 levels
(40 C.F.R.
				  §
											141.64(a)(2) (July 1,
				  2011))
(4) The Administrator
				of the U.S. Environmental Protection Agency, pursuant to section 1412 of the
				Federal Safe Drinking Water Act, hereby identifies the following as the best
				technology, treatment techniques, or other means available for achieving
				compliance with the maximum contaminant levels for total trihalomethanes (TTHM)
				and haloacetic acids (five) (HAA5) identified in
				40 C.F.R. §
										141.64(b)(1)(i) (which is
				incorporated in sub-subparagraph
				 62-550.310(3)(b) 
				1.a., F.A.C.):
DISINFECTION BYPRODUCT
BEST AVAILABLE TECHNOLOGY
TTHM and HAA5
Enhanced coagulation or enhanced softening or GAC10,
							 with chlorine as the primary and residual disinfectant
(40 C.F.R.
				  §
											141.64(b)(1)(ii)
				  (July 1, 2011))
(5) The
				Administrator of the U.S. Environmental Protection Agency, pursuant to section
				1412 of the Federal Safe Drinking Water Act, hereby identifies the following as
				the best technology, treatment techniques, or other means available for
				achieving compliance with the maximum contaminant levels for total
				trihalomethanes (TTHM) and haloacetic acids (five) (HAA5) identified in
				40 C.F.R. §
										141.64(b)(2)(i) (which is
				incorporated in sub-subparagraph
				 62-550.310(3)(b) 
				2.a., F.A.C.) for all systems that disinfect their source water:
DISINFECTION BYPRODUCT
BEST AVAILABLE TECHNOLOGY
TTHM and HAA5
Enhanced coagulation or enhanced softening, plus
							 GAC10; or nanofiltration with a molecular weight cutoff <= 1000 Daltons; or
							 GAC20
(40 C.F.R.
				  §
											141.64(b)(2)(ii)
				  (July 1, 2011))
(6) The
				Administrator of the U.S. Environmental Protection Agency, pursuant to section
				1412 of the Federal Safe Drinking Water Act, hereby identifies the following as
				the best technology, treatment techniques, or other means available for
				achieving compliance with the maximum contaminant levels for total
				trihalomethanes (TTHM) and haloacetic acids (five) (HAA5) identified in
				40 C.F.R. §
										141.64(b)(2)(i) (which is
				incorporated in sub-subparagraph
				 62-550.310(3)(b) 
				2.a., F.A.C.) for consecutive systems and applies only to the disinfected water
				that consecutive systems buy or otherwise receive:
DISINFECTION BYPRODUCT
BEST AVAILABLE TECHNOLOGY
TTHM and HAA5
Systems serving >= 10, 000: Improved distribution
							 system and storage tank management to reduce residence time, plus the use of
							 chloramines for disinfectant residual maintenance
Systems serving < 10, 000: Improved distribution
							 system and storage tank management to reduce residence time
(40 C.F.R.
				  §
											141.64(b)(2)(iii)
				  (July 1, 2011))
(7) The
				technologies listed in Table 3 are Best Available Technology for achieving
				compliance with the maximum contaminant levels for organic contaminants listed
				in subsection  62-550.310(4),
				F.A.C.
(8) Best Available
				Technology for achieving compliance with the maximum contaminant level for
				microbiological contaminants listed in subsection
				 62-550.310(5),
				F.A.C., includes the following:
(a) Protection
				of wells from fecal contamination by appropriate placement and construction;
				(40 C.F.R. §
											141.63(e)(1) revised as of
				July 1, 2014.) This paragraph shall be effective on July 7, 2015.
(b) Maintenance of a disinfectant residual
				throughout the distribution system;
(c) Proper maintenance of the distribution
				system including appropriate pipe replacement and repair procedures, main
				flushing programs, proper operation and maintenance of storage tanks and
				reservoirs, cross-connection control, and continual maintenance of positive
				water pressure in all parts of the distribution system; (40 C.F.R. §
											141.63(e)(3) revised as of
				July 1, 2014.) This paragraph shall be effective on July 7, 2015.
(d) Filtration or disinfection of surface
				water, as described in   40 C.F.R. Part 141, Subparts H, P, T, and W, as
				incorporated in subsections
				 62-550.817(1), (2), (3), and
				(4), F.A.C., or disinfection of ground water,
				as described in 40 C.F.R. Part 141, Subpart S, as incorporated in Rule
				 62-550.828, F.A.C., using strong
				oxidants such as chlorine, chlorine dioxide, or ozone; and (40 C.F.R. §
											141.63(e)(4) revised as of
				July 1, 2014.) This paragraph shall be effective on July 7, 2015.
(e) For systems using ground water,
				compliance with the requirements of an Environmental Protection Agency-approved
				State Wellhead Protection Program developed and implemented under Section 1428
				of the Federal Safe Drinking Water Act. (40 C.F.R. §
											141.63(e)(5) revised as of
				July 1, 2014.) This paragraph shall be effective on July 7,
				2015.