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Rulemaking

National Primary Drinking Water Regulations; Filtration and Disinfection; Turbidity, Giardia Lambda, Viruses, Legionella, and Heterotrophic Bacteria

🏛 Environmental Protection Agency (EPA)EPA-HQ-OW-1987-5017

Water Quality & Infrastructure

Documents

8

Total comments

0

all analyzed

Comment status

Closed

Last activity

—

In this docket

Documents

Rules, notices, and supporting material — the primary rule pinned first.

All 8 Proposed Rule 5 Supporting & Related Material 2 Rule 1

Proposed Rule· Jul 13, 2026
National Primary Drinking Water Regulations; Filtration and Disinfection; Turbidity, Giardia Lambda, Viruses, Legionella, and Heterotrophic Bacteria [SWTR-V-A1-1]→
No comment period
Proposed Rule· Jul 13, 2026
National Primary Drinking Water Regulations; Filtration and Disinfection; Turbidity, Giardia lamblia, Viruses, Legionella, and Heterotrophic Bacteria; Total Coliforms; Notice of Availability [SWTR-V-A2-1]→
No comment period
Proposed Rule· Jul 13, 2026
National Primary Drinking Water Regulations; Filtration and Disinfection; Turbidity, Giardia Lamblia, Viruses, Legionella, and Heterotrophic Bacteria; Total Coliforms; Extension of Public Comment Period [SWTR-V-A2-2]→
No comment period
Proposed Rule· Jul 13, 2026
National Primary and Secondary Drinking Water Regulations [SWTR-V-A2-3]→
No comment period
Proposed Rule· Jul 13, 2026
National Primary Drinking Water Regulations; Filtration and Disinfection; Turbidity, Giardia Lambda, Viruses, Legionella, and Heterotrophic Bacteria; Notice of Availability [SWTR-IX-A2-2]→
No comment period