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State of Delaware
Regulations Governing Public Drinking Water Systems


Table of Contents

Below is the table of contents for the State of Delaware Regulations Governing Public Drinking Water Systems. The table of contents is provided here to aid those searching for specific information navigate the sections of the regulations. The full regulations are available through the link at the bottom of the page.


  • 1.0 Definitions

  • 2.0 General Provisions

    • 2.1 Application
    • 2.2 Variance
    • 2.3 Exemption
    • 2.4 Reserved
    • 2.5 Reserved
    • 2.6 Right of Entry
    • 2.7 Prohibiting Water Usage
    • 2.8 Separability
    • 2.9 Enforcement of Regulations
    • 2.10 Emergency Orders
    • 2.11 Plans and Specifications
    • 2.12 Approval of Water Supplies
    • 2.13 Siting Requirements
    • 2.14 Approved Laboratory
    • 2.15 Quality
    • 2.16 Required Sampling, Monitoring or Analyses
    • 2.17 Use of Bottled Water
    • 2.18 Date of Effect

  • 3.0 Source and Protection

    • 3.1 Water Source Desirability
    • 3.2 Sanitary Surveys
    • 3.3 Protection of Water
    • 3.4 Monitoring Water Quality
    • 3.5 Responsibility
    • 3.6 Certified Operator

  • 4.0 Reporting, Public Notification, Consumer Confidence Reports and Record Maintenance

    • 4.1 Reporting
    • 4.2 Public Notification
    • 4.3 Consumer Confidence Reports
    • 4.4 Record Maintenance

  • 5.0 Microbiological Requirements

    • 5.1 Sampling
    • 5.2 Microbiological MCLs
    • 5.3 Analytical Requirements

  • 6.0 Inorganic and Organic Chemical Requirements

    • 6.1 Inorganic Chemical Requirements
    • 6.2 Organic Chemical Requirements
    • 6.3 Best Available Technologies
    • 6.4 Maximum Contaminant Level (MCL) Effective Dates

  • 7.0 Turbidity and Corrosivity

    • 7.1 Turbidity MCL, Sampling and Analytical Methodology
    • 7.2 Corrosivity Sampling, Reporting and Analytical Methodology

  • 8.0 Public Water System Classification and Treatment Requirements

    • 8.1 Regulatory Classification
    • 8.2 Disinfection
    • 8.3 Maximum Residual Disinfection Levels (MRDLs)
    • 8.4 Sampling, Analytical Requirements, and Compliance Determinations for Disinfectant Residuals, Disinfection Byproducts, and Disinfection Precursors
    • 8.5 Compliance Requirements
    • 8.6 Reporting and Recordkeeping Requirements
    • 8.7 Treatment Technique for Control of Disinfection Byproduct (DBP) Precursors

  • 9.0 Radioactivity

    • 9.1 Limits
    • 9.2 Monitoring Frequency and Compliance Requirements for Radionuclides in Community Water Systems

  • 10.0 Surface Water Treatment Rule

    • 10.1 Untreated Water
    • 10.2 General Requirements
    • 10.3 Disinfection
    • 10.4 Filtration
    • 10.5 Monitoring Requirements
    • 10.6 Analytical Methodology
    • 10.7 General Requirements: Interim Enhanced Surface Water Treatment Rule
    • 10.8 Disinfection Profiling and Benchmarking
    • 10.9 Filtration: Interim Enhanced Surface Water Treatment Rule
    • 10.10 Filtration Sampling Requirements
    • 10.11 Reporting and Recordkeeping Requirements
    • 10.12 Recycle Provisions
    • 10.13 General Requirements for the Long Term 1 Enhanced Surface Water Treatment Rule

Check the following link to see the full regulations:

Last Updated: Tuesday October 09 2012
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