Section 5-1.83 - Treatment Technique Requirements | New York Codes, Rules and Regulations

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System Characteristic	Cryptosporidium Concentration¹	Bin Classification
Required to monitor for Cryptosporidium	Cryptosporidium <0.075 oocyst/L	Bin 1
	0.075 oocysts/L < Cryptosporidium <1.0 oocyst/L	Bin 2
	1.0 oocyst/L < Cryptosporidium <3.0 oocysts/L	Bin 3
	Cryptosporidium >3.0 oocysts/L	Bin 4
Serving fewer than 10,000 people and NOT required to monitor for Cryptosporidium	Not Applicable	Bin 1

System Classification	If the system uses the following filtration treatment in full compliance with section 5-1.30(b) of this Subpart (as applicable), then the additional Cryptosporidium treatment requirements are:
System Classification	Conventional Filtration Treatment (including softening)	Direct Filtration	Slow Sand or Diatomaceous Earth Filtration	Alternative Filtration Technologies
Bin 1	No additional	No additional	No additional	No additional
Bin 2	1-log	1.5-log	1-log	(¹)
Bin 3	2-log	2.5-log	2-log	(²)
Bin 4	2.5-log	3-log	2.5-log	(³)