40 CFR Part 141
NATIONAL PRIMARY DRINKING WATER REGULATIONS
June 9, 2020
Subpart
U
Initial Distribution System Evaluations
Subpart
D
Reporting and Recordkeeping
Subpart
P
Enhanced Filtration and Disinfection—Systems Serving 10,000 or More People
Subpart
A
General
Subpart
B
Maximum Contaminant Levels
Subpart
C
Monitoring and Analytical Requirements
Subpart
E
Special Regulations, Including Monitoring Regulations and Prohibition on Lead Use
Subpart
F
Maximum Contaminant Level Goals and Maximum Residual Disinfectant Level Goals
Subpart
G
National Primary Drinking Water Regulations: Maximum Contaminant Levels and Maximum Residual Disinfectant Levels
Subpart
H
Filtration and Disinfection
Subpart
I
Control of Lead and Copper
Subpart
J
Use of Non-Centralized Treatment Devices
Subpart
K
Treatment Techniques
Subpart
L
Disinfectant Residuals, Disinfection Byproducts, and Disinfection Byproduct Precursors
Subpart
M-N
[Reserved]
Subpart
O
Consumer Confidence Reports
Subpart
Q
Public Notification of Drinking Water Violations
Subpart
R
[Reserved]
Subpart
S
Ground Water Rule
Subpart
T
Enhanced Filtration and Disinfection—Systems Serving Fewer Than 10,000 People
Subpart
V
Stage 2 Disinfection Byproducts Requirements
Subpart
W
Enhanced Treatment for Cryptosporidium
Subpart
X
Aircraft Drinking Water Rule
Subpart
Y
Revised Total Coliform Rule
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