Drinking Water Management

Following are useful links to various topics relating to drinking water regulations, standards & resources.

Chapter 109 and Drinking Water Standards

• Drinking Water Regulations
  (official text of Pennsylvania Code, Title 25 Chapter 109)
• Drinking Water Regulations
  (PDF version of above document)
• Index of Chapter 109 topics (with following chapters) (PDF)
  1. Sequential order of topics within Chapter 109
  2. Acronyms used in descriptions
  3. Alphabetical sort of topics within Chapter 109
• 2017 Revision of Chapter 109 Index to include the Revised Total Coliform Rule (RTCR) citations (PDF)

Pennsylvania Drinking Water Standards Applicable to Public Drinking Water Systems

Maximum Contaminant Levels, Maximum Residual Disinfectant Levels, and Treatment Technique Requirements fact sheet (3930-FS-DEP5286)
This fact sheet includes a description of all regulatory maximum contaminant levels (MCLs), maximum residual disinfectant levels (MRDLs), and treatment technique (TT) requirements.

One Hour Reporting Violations or Situations:

• One Hour Reporting fact sheet (3900-FS-DEP4367)
  This fact sheet includes all one hour reporting violations and situations for both surface water and ground water systems.
• Surface Water CWS One Hour Reporting poster (3900-SI-BSDW0474)
  This poster includes all one hour reporting violations and situations for surface water systems.
• Ground Water CWS One Hour Reporting poster (3900-SI-BSDW0475)
  This poster includes all one hour reporting violations and situations for ground water systems.

Additional Drinking Water Resources

• Consumer Confidence Reports (CCRs)
• Drinking Water Electronic Lab Reporting (DWELR)
• Drinking Water News Newsletter
  
• Drinking Water Reporting System (DWRS)
  
• Laboratory Accreditation Program
• Monitoring Waiver Resources for IOC, VOCs and SOCs
  DEP has created a Monitoring Waiver Resources Web page since the department has revised the monitoring waiver protocol for IOCs, VOCs and SOCs.
• Public Notification (PN)
• WebOAS

For more drinking water resources, go to External Links.

Drinking Water Source Protection

• Private Wells Information
• Source Water Protection
• Ground Water Protection

Water Resources Planning and Management

• Drought Information
• State Water Plan (Act 220)