Title 10 Part 5

10 NYCRR 5-1.1 - Definitions

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.2 - Earlier source heading: [Repealed]

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.3 - Earlier source heading: 5-1.3 to 5-1.5 [Repealed]

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.10 - Statement

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.11 - Applicability

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.12 - Water quality for existing sources of water supply

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.13 - Sampling and analytical requirements

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.14 - Water quality for proposed sources of water supply

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.15 - Limitation

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.20 - Applicability

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.21 - Siting requirements

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.22 - Approval of plans and completed works

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.23 - Reporting emergencies

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.24 - Approval of fluoridation of public water systems

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.25 - Disinfection/start-up of facilities

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.26 - Dewatering trenches

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.27 - Adequacy of distribution system

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.28 - Blowoff facilities

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.29 - Pumping equipment

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.30 - Providing treatment for public water systems

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.31 - Cross-connection control

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.32 - Protection of finished water storage facilities

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.33 - Water supply emergency plans

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.34 - Earlier source heading: 5-1.34 to 5-1.36 [Repealed]

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.40 - General requirements and action levels

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.41 - Corrosion control treatment steps and requirements

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.42 - Monitoring requirements for lead and copper in tap water

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.43 - Monitoring requirements for water quality parameters

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.44 - Monitoring requirements for lead and copper in source water

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.45 - Source water treatment requirements

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.46 - Lead service line replacement

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.47 - Notification and public education requirements

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.48 - Reporting and recordkeeping requirements

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.49 - Earlier source heading: [Repealed]

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.50 - Applicability and responsibility

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.51 - Maximum contaminant levels, maximum residual disinfectant levels and treatment technique requirements

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.52 - Earlier source heading: Tables

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.53 - Earlier source heading: 5-1.53 to 5-1.54 [Repealed]

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.55 - Earlier source heading: [Repealed]

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.60 - Applicability

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.61 - Earlier source heading: Monitoring requirements for disinfection byproduct precursors

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.62 - Earlier source heading: Alternative compliance criteria for enhanced coagulation

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.63 - Enhanced coagulation performance requirements

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.64 - Operational evaluation levels

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.65 - Earlier source heading: Best available technologies (BATs) for disinfection byproduct control

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.70 - Applicability

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.71 - Protection and supervision of public water systems

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.72 - Operation of a public water system

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.73 - Water treatment plant laboratory

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.74 - Approved laboratories

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.75 - Additional sampling requirements

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.76 - Consecutive public water systems

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.77 - State notification

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.78 - Public notification

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.79 - Multiple distribution systems

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.80 - Applicability

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.81 - Source water monitoring requirements at systems using surface water and ground water under the direct influence of surface water (GWUDI) sources

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.82 - Requirements when making a significant change in disinfection practice

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.83 - Earlier source heading: Treatment technique requirements

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.84 - Earlier source heading: [Repealed]

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.90 - Variance from a maximum contaminant level

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.91 - Earlier source heading: Variance from required use of any specified treatment technique

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.92 - Exemption from a maximum contaminant level or any treatment technique requirement

Related State Register notice: Adopted rule HLT-29-22-00003-A. Published Dec 28, 2022. Notice effective date: Dec 28, 2022.

10 NYCRR 5-1.93 - Variance or exemption requests

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.94 - Notice and opportunity for public hearing

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.95 - Earlier source heading: [Repealed]

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.96 - Enforceability of final schedule prescribed pursuant to granting of variance or exemption

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-1.100 - Separability

Related State Register notice: Proposed rule HLT-28-25-00012-P. Published Jul 16, 2025.

10 NYCRR 5-2.1 - Statement

10 NYCRR 5-2.2 - Scope

10 NYCRR 5-2.3 - Definitions

10 NYCRR 5-2.4 - Need for permit

10 NYCRR 5-2.5 - Applications

10 NYCRR 5-2.6 - Permit

10 NYCRR 5-2.7 - Notice of disapproval and appeal

10 NYCRR 5-2.8 - Application to construct a water well

10 NYCRR 5-2.9 - Completed works

10 NYCRR 5-2.10 - Certificate or letter of compliance

10 NYCRR 5-2.11 - Notification of abandonment of a water well

10 NYCRR 5-2.12 - Variance

10 NYCRR 5-2.13 - General provisions

10 NYCRR 5-2.14 - Applicability

10 NYCRR 5-4.1 - Definitions

10 NYCRR 5-4.2 - Certification required

10 NYCRR 5-4.3 - Qualifications required

10 NYCRR 5-4.4 - Education, experience, and/or training substitutions

10 NYCRR 5-4.5 - Validated examinations

10 NYCRR 5-4.6 - Grandparenting

10 NYCRR 5-4.7 - Enforcement

10 NYCRR 5-4.8 - Renewal/recertification requirements

10 NYCRR 5-4.9 - Earlier source heading: [Repealed]

10 NYCRR 5-5.1 - Purpose

10 NYCRR 5-5.2 - Applicability and scope

10 NYCRR 5-5.3 - Definitions

10 NYCRR 5-5.4 - Submission for approval

10 NYCRR 5-5.5 - Amendments and modifications

10 NYCRR 5-5.6 - Water quality

10 NYCRR 5-5.7 - District operation

10 NYCRR 5-6.1 - Applicability

10 NYCRR 5-6.2 - Distribution of bottled or bulk water

10 NYCRR 5-6.3 - Definitions

10 NYCRR 5-6.4 - Sources of water

10 NYCRR 5-6.5 - Required treatment

10 NYCRR 5-6.6 - Bottling plant facilities

10 NYCRR 5-6.7 - Production, equipment and packaging

10 NYCRR 5-6.8 - Sanitation and maintenance

10 NYCRR 5-6.9 - Sanitizing bottles

10 NYCRR 5-6.10 - Maximum contaminant levels

10 NYCRR 5-6.11 - Tables

10 NYCRR 5-6.12 - Labeling

10 NYCRR 5-6.13 - Sampling, methods and recordkeeping

10 NYCRR 5-6.14 - Notification

10 NYCRR 5-6.15 - Bulk water

10 NYCRR 5-6.16 - Certification procedures

10 NYCRR 5-6.17 - Violations

10 NYCRR 5-6.18 - Separability