U.S. Drinking Water Maximum Contaminant Level Standards

Legally enforceable standards from the U.S. Environmental Protection Agency limit contaminant levels in public water systems. The dataset defines the National Primary Drinking Water Regulations to protect public health.

Use Cases

• Analyze contaminant limit compliance across Public Water Systems using defined MCLs.
• Model health risk exposure by linking specific Contaminants to their regulatory thresholds.
• Track regulatory updates for Sdwa (Safe Drinking Water Act) covered contaminants over time.

Strengths

• Data originates from the authoritative U.S. Environmental Protection Agency.
• Regulations are legally enforceable, implying a formal, standardized definition.
• Dataset was last updated in March 2024, indicating recent maintenance.

Limitations

• The specific data structure, including column names and row count, is unknown.
• The scope is limited to U.S. public water systems under the SDWA, excluding private wells.

Provenance

Source

U.S. Environmental Protection Agency

Freshness

Last updated 2024-03-16.

Geography

United States