ZeroPPB — Know Your Water
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State Policy Tracker

Track water quality regulations and legislation by state

National Policy Comparison
Interactive charts comparing water quality regulations across all states

Grade A States

0

Active Legislation

63

Zero PPB Support

21

Needs Improvement

3

Policy Grade Distribution
DC-CB-B+BA-07142128
Zero PPB Support Levels
Strictest States: Contaminant Limits
020406080MSWYNVKSIN
  • TTHMs (PPB)
  • Lead (PPB)
  • Arsenic (PPB)
Most Active States: Legislation
KSTXWVMOTNIDUTVAMNWI00.751.52.253
  • Total Bills
  • Zero PPB Related
Top 5 States: Multi-Metric Comparison
TTHMs StrictnessLead StrictnessPFAS RegulationLegislative ActivityZero PPB Support0255075100
  • CA
  • IL
  • MD
  • DC
  • NC
West Virginia
D
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

2 active bills
Mississippi
D
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

1 active bill
Alabama
D
Zero PPB: none

TTHMs

80 PPB

Lead

15 PPB

1 active bill
Wyoming
C-
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

1 active bill
Nebraska
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

1 active bill
Nevada
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

1 active bill
Missouri
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

2 active bills
Kansas
C
Zero PPB: weak

TTHMs

80 PPB

Lead

10 PPB

3 active bills
Montana
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

1 active bill
Indiana
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

1 active bill
Tennessee
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

2 active bills
Florida
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

1 active bill
South Carolina
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

Georgia
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

1 active bill
Idaho
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

2 active bills
Texas
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

3 active bills
South Dakota
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

1 active bill
Oregon
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

Ohio
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

Colorado
C
Zero PPB: weak

TTHMs

80 PPB

Lead

10 PPB

1 active bill
Iowa
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

1 active bill
Hawaii
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

1 active bill
Utah
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

2 active bills
Louisiana
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

Kentucky
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

1 active bill
North Dakota
C
Zero PPB: none

TTHMs

80 PPB

Lead

15 PPB

Alaska
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

1 active bill
Arizona
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

Connecticut
C
Zero PPB: moderate

TTHMs

80 PPB

Lead

15 PPB

1 active bill
Arkansas
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

1 active bill
Oklahoma
C
Zero PPB: weak

TTHMs

80 PPB

Lead

15 PPB

Virginia
B-
Zero PPB: moderate

TTHMs

80 PPB

Lead

15 PPB

2 active bills
Minnesota
B-
Zero PPB: moderate

TTHMs

80 PPB

Lead

10 PPB

2 active bills
Wisconsin
B+
Zero PPB: moderate

TTHMs

80 PPB

Lead

10 PPB

2 active bills
California
B
Zero PPB: moderate

TTHMs

80 PPB

Lead

15 PPB

1 active bill
Illinois
B
Zero PPB: moderate

TTHMs

80 PPB

Lead

15 PPB

1 active bill
Maryland
B
Zero PPB: moderate

TTHMs

80 PPB

Lead

15 PPB

2 active bills
Washington D.C.
B
Zero PPB: moderate

TTHMs

80 PPB

Lead

10 PPB

North Carolina
B
Zero PPB: moderate

TTHMs

80 PPB

Lead

15 PPB

2 active bills
New Hampshire
B
Zero PPB: moderate

TTHMs

80 PPB

Lead

15 PPB

2 active bills
Maine
B
Zero PPB: moderate

TTHMs

80 PPB

Lead

15 PPB

1 active bill
New Mexico
B
Zero PPB: moderate

TTHMs

80 PPB

Lead

15 PPB

1 active bill
Michigan
B
Zero PPB: moderate

TTHMs

80 PPB

Lead

12 PPB

2 active bills
Rhode Island
B
Zero PPB: moderate

TTHMs

80 PPB

Lead

15 PPB

Pennsylvania
B
Zero PPB: moderate

TTHMs

80 PPB

Lead

15 PPB

1 active bill
Massachusetts
B
Zero PPB: moderate

TTHMs

80 PPB

Lead

15 PPB

2 active bills
Delaware
B
Zero PPB: moderate

TTHMs

80 PPB

Lead

15 PPB

1 active bill
Vermont
A-
Zero PPB: strong

TTHMs

80 PPB

Lead

15 PPB

2 active bills
New Jersey
A-
Zero PPB: moderate

TTHMs

80 PPB

Lead

10 PPB

2 active bills
Washington
A-
Zero PPB: moderate

TTHMs

80 PPB

Lead

15 PPB

2 active bills
New York
A-
Zero PPB: strong

TTHMs

80 PPB

Lead

10 PPB

2 active bills
ZeroPPB — Know Your Water

Protecting developing brains from lead, PFAS, TTHMs, and nanoplastics. From Annsville, NY to communities across the nation.

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Legal Notice: All information is for educational awareness purposes only and does not constitute professional medical, legal, or environmental advice. Water quality conditions change; always consult local water authorities or certified laboratories for testing and health concerns. ZeroPPB Alliance makes no warranties regarding completeness or accuracy of information provided.

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