Compliance and Enforcement

National Primary Drinking Water Regulations (NPDWRs or primary standards) are legally enforceable standards that apply to public water systems. Primary standards protect public health by limiting the levels of contaminants in drinking water. These contaminants are divided into:

Microorganisms

Disinfectants 

Disinfection Byproducts

Inorganic Chemicals

Organic Chemicals

Public Water Supply Systems Compliance Reports

Monthly Operational Reports

A Small Systems Guide to the Total Coliform Rule

Filter Backwash Recycling Rule-Technical Guidance Manual

Public Notification Handbook

Lead and Copper Monitoring and Reporting Guidance for Public Water Systems

Enhanced Coagulation and Enhanced Precipitative Softening Guidance Manual

Compliance Strategy Document

LT1ESWTR Disinfection Profiling and Benchmarking

---

This site maintained by the Regulatory Development and Compliance Program. Please address any comments or questions
to the program or the webmaster.