Part 5, Subpart 5-1 Public Water Systems
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UNOFFICIAL COMPILATION OF CODES, RULES AND REGULATIONS OF THE STATE OF NEWYORK TITLE 10. DEPARTMENT OF HEALTH CHAPTER I. STATE SANITARY CODE PART 5. DRINKING WATER SUPPLIES SUBPART 5-1. PUBLIC WATER SYSTEMS Text is current through May 16, 2018. (Statutory authority: Public Health Law, Section 225) This page is blank UNOFFICIAL COMPILATION OF CODES, RULES AND REGULATIONS OF THE STATE OF NEWYORK TITLE 10. DEPARTMENT OF HEALTH CHAPTER I. STATE SANITARY CODE PART 5. DRINKING WATER SUPPLIES SUBPART 5-1. PUBLIC WATER SYSTEMS Text is current through May 16, 2018. (Statutory authority: Public Health Law, Section 225) This document presents an unofficial version of Subpart 5-1 of the State Sanitary Code under NYCRR Title 10. The New York State Department of State publishes the official compilation of State of New York Codes, Rules and Regulations, including 10 NYCRR Part 5, Subpart 5-1 Public Water Systems. GENERAL PROVISIONS……………………………………………………….……….………. 1 5-1.1 Definitions SOURCES OF WATER SUPPLY………………………………………………….………….…13 5-1.10 Statement 5-1.11 Applicability 5-1.12 Water quality for existing sources of water supply 5-1.13 Sampling and analytical requirements 5-1.14 Water quality for proposed sources of water supply 5-1-15 Limitation PLANNING, SITING, TREATMENT AND APPROVAL………….………..……………….....15 5-1.20 Applicability 5-1.21 Siting requirements 5-1.22 Approval of plans and completed works 5-1.23 Reporting emergencies 5-1.24 Approval of fluoridation of public water systems 5-1.25 Disinfection of facilities 5-1.26 Dewatering trenches 5-1.27 Adequacy of distribution system 5-1.28 Blowoff facilities 5-1.29 Pumping equipment 5-1.30 Providing treatment for public water systems 5-1.31 Cross-connection control 5-1.32 Protection of equalizing and distribution reservoirs 5-1.33 Water supply emergency plans CONTROL OF COPPER AND LEAD IN DRINKING WATER……………….………..……...27 5-1.40 General requirements and action levels 5-1.41 Corrosion control treatment steps and requirements 5-1.42 Monitoring requirements for lead and copper in tap water 5-1.43 Monitoring requirements for water quality parameters 5-1.44 Monitoring requirements for lead and copper in surface water 5-1.45 Source water treatment requirements 5-1.46 Lead service line replacement Page i 5-1.47 Notification and public education requirements 5-1.48 Reporting and record keeping requirements PUBLIC WATER SYSTEMS; MAXIMUM CONTAMINANT LEVELS; MONITORING REQUIREMENTS; NOTIFICATIONS REQUIRED…………………………………....…............65 5-1.50 Applicability and responsibility 5-1.51 Maximum contaminant levels; maximum residual disinfectant levels and treatment technique requirements 5-1.52 Tables MONITORING AND CONTROL OF DISINFECTION BYPRODUCTS AND DISINFECTION BYPRODUCT PRECURSORS………………………………………………………………….121 5-1.60 Applicability 5-1.61 Monitoring requirements for disinfection byproduct precursors 5-1.62 Alternative compliance criteria for enhanced coagulation 5-1.63 Enhanced coagulation performance requirements 5-1.64 Operational Evaluation Levels. 5-1.65 Best Available Technologies (BATs) for Disinfection Byproduct Control OPERATION AND QUALITY CONTROL……………………..………………….…..............127 5-1.70 Applicability 5-1.71 Protection and supervision of public water systems 5-1.72 Operation of a public water system 5-1.73 Water treatment plant laboratory 5-1.74 Approved laboratories 5-1.75 Additional sampling requirements 5-1.76 Monitoring of consecutive public water systems 5-1.77 State notification 5-1.78 Public notification 5-1.79 Multiple distribution systems ENHANCED TREATMENT FOR CRYPTOSPORIDIUM ……………………………………..151 5-1.80 Applicability 5-1.81 Source water monitoring requirements at systems using surface water and ground water under the direct influence of surface water (GWUDI) sources 5-1.82 Requirements when making a significant change in disinfection practice 5-1.83 Treatment technique requirements VARIANCES AND EXEMPTIONS…………………………………………………………….161 5-1.90 Variance from a maximum contaminant level 5-1.91 Variance from required use of any specified treatment technique 5-1.92 Exemption from a maximum contaminant level or any treatment technique requirement 5-1.93 Variance or exemption requests 5-1.94 Notice and opportunity for public hearing 5-1.95 Reserved 5-1.96 Enforceability of final schedule prescribed pursuant to granting of variance or exemption Page ii SEPARABILITY………………………………………………………………………..…….…169 5-1.100 Separability APPENDICES 5-A Recommended Standards for Water Works, 2012 Edition (under separate cover)…….… 170 5-B Standards for Water Wells………………………………………………..…………......... 171 5-C Acceptable Methods for the Analysis of Contaminants in Drinking Water……………… 186 5-D Special Requirements for Wells Serving Public Water Systems………………………… 188 Page iii TABLES (Page 75) Table 1 Inorganic Chemicals and Physical Characteristics Maximum Contaminant Level Determination Table 2 Nitrate, Nitrite, Total Nitrate/Nitrite Maximum Contaminant Level Determination Table 3 Organic Chemicals Maximum Contaminant Level Determination Table 3A Maximum Residual Disinfectant Level (MRDL) Determination Table 4 Entry Point Turbidity Maximum Contaminant Level Determination for Unfiltered Systems Table 4A Surface Water Turbidity Performance Standards Table 5 Distribution System Turbidity Maximum Contaminant Level Distribution Table 6 Microbiological Contaminants Maximum Contaminant Level (MCL)/Treatment Technique (TT) Violation Determination Table 7 Radiological Maximum Contaminant Level Determination Table 8A Inorganic Chemicals and Physical Characteristics Minimum Monitoring Requirements for Asbestos Table 8B Inorganic Chemicals and Physical Characteristics Minimum Monitoring Requirements Table 8C Inorganic Chemicals and Physical Characteristics Minimum Monitoring Requirements – Nitrates, Nitrites Table 8D Inorganic Chemicals and Physical Characteristics Minimum Monitoring Requirements – Other Chemicals Table 9A Organic Chemicals – Disinfection Byproducts Minimum Monitoring Requirements Table 9B Organic Chemicals – POCs, Vinyl Chloride, Methyl-tertiary-butyl-ether (MTBE), UOCs, Propylene Glycol Minimum Monitoring Requirements Table 9C Organic Chemicals – Pesticides, Dioxin, PCBs Minimum Monitoring Requirements Table 9D Organic Chemicals – POCs Minimum Monitoring Requirements Table 10 Turbidity Minimum Monitoring Requirements for Unfiltered Systems Pending Filtration Table 10A Turbidity Minimum Monitoring Requirements Table 11 Microbiological Minimum Monitoring Requirements Table 11A Microbiological/Filtration Avoidance Criteria Minimum Monitoring Requirements Table 11B Repeat Microbiological Sampling Requirements following Total Coliform Positive and/or Fecal Indicator Positive Sample(s) Table 12 Radiological Minimum Monitoring Requirements Table 13 Required Notifications Table 14A CT Values (CT99.9) for 99.9 Percent Inactivation of Giardia Lamblia Cysts by Free Chlorine at 0.5 Degrees Celsius Table 14B CT Values (CT99.9) for 99.9 Percent Inactivation of Giardia Lamblia Cysts by Free Chlorine at 5.0 Degrees Celsius Table 14C CT Values (CT99.9) for 99.9 Percent Inactivation of Giardia Lamblia Cysts by Free Chlorine at 10.0 Degrees Celsius Table 14D CT Values (CT99.9) for 99.9 Percent Inactivation of Giardia Lamblia Cysts by Free Chlorine at 15.0 Degrees Celsius Table 14E CT Values (CT99.9) for 99.9 Percent Inactivation of Giardia Lamblia Cysts by Free Chlorine at 20.0 Degrees Celsius Table 14F CT Values (CT99.9) for 99.9 Percent Inactivation of Giardia Lamblia Cysts by Free Chlorine at 25.0 Degrees Celsius Page iv TABLES (continued) Table 14G CT Values (CT99.9) for 99.9 Percent Inactivation of Giardia Lamblia Cysts by Free Chlorine Dioxide and Ozone Table 14H. CT Values (CT 99.9) for 99.9 Percent Inactivation of Giardia Lamblia Cysts by Chloramines Table 14I. CT Values (mg·min/L) for Cryptosporidium Inactivation by Chlorine Dioxide Table 14J. CT Values (mg·min/L) for Cryptosporidium Inactivation by Ozone Table 14K. UV Dose Table for Cryptosporidium, Giardia lamblia, and Virus Inactivation Credit Table 15 Entry Point Disinfectant Monitoring Frequency for Systems Using Chemical Disinfection Table 15A Disinfectant Residual Minimum Distribution System Monitoring Requirements for Systems Using Chemical Disinfection Table 16 Additional Contaminants for which Reporting is Required Pursuant to 5-1.72(e)-(i) Table 17 Information Collection Rule Contaminant Reporting Requirements Page v This page is blank Page vi General Provisions Section 5-1.1 Definitions. (Effective Date: May 16, 2018) As used in this Subpart the following words and terms shall have the stated meaning, except as otherwise specifically provided: (a) “-log treatment” means the reduction of a specified proportion of viruses, bacteria, protozoa or other organisms present in drinking water expressed as factors of ten, through disinfection (inactivation) and/or removal. For example, 3-log treatment removes or inactivates 999 out of 1000 organisms or 99.9 percent. (b) Action level means the concentration of copper or lead that when exceeded triggers actions to be taken by a water system. Copper action level = 1.3 milligrams per liter Lead action level = 0.015 milligrams per liter (c) Approved method means an analytical method, including sample preparation, of proven reliability which has been approved, or given similar recognition by the United States Environmental Protection Agency (EPA) or a New York State regulatory program in environmental or public health protection, for the specific purpose for which the method is to be used. Methods approved by the department