Haloacetic Acids (haa5) in Drinking Water
Disinfection Byproduct · MCL: 60 ppb · 6 systems exceeding limit
Overview
Haloacetic Acids (HAA5) is regulated under the Safe Drinking Water Act with an MCL of 60 ppb. The EPA Safe Drinking Water program sets and enforces the maximum contaminant levels shown here.
Health Effects
Exposure to Haloacetic Acids (HAA5) above the MCL of 60 ppb may cause adverse health effects. Consult EPA fact sheets for detailed information.
Sources of Contamination
Haloacetic Acids (HAA5) can enter drinking water from natural deposits, industrial discharges, or other sources.
Treatment & Removal
Treatment methods for Haloacetic Acids (HAA5) include activated carbon filtration, reverse osmosis, and specialized media.
How to Remove Haloacetic Acids (haa5) From Water
These filtration methods are effective for reducing Haloacetic Acids (haa5) in drinking water:
| Filter Method | Effectiveness | Cost Range | Certification |
|---|---|---|---|
| Activated Carbon Block | 80-95% removal | $30-100 (pitcher/faucet/under-sink) | NSF/ANSI 53 |
| Reverse Osmosis (RO) | 90-95% removal | $200-500 (under-sink) | NSF/ANSI 58 |
Activated Carbon Block — details
Carbon block filters are effective for HAA5. Granular carbon is less effective.
Reverse Osmosis (RO) — details
Very effective for HAA5 removal.
Water Systems with Haloacetic Acids (haa5) Detected
City of Baltimore
Baltimore, Maryland
Cocoa, City Of
Cocoa, Florida
Emerald Coast Utilities Authority (ecua)
Pensacola, Florida
Gru - Murphree Wtp
Gainesville, Florida
Ecwa Direct
Buffalo, New York
Buffalo Water Authority
Buffalo, New York
Clermont Public Water System
Batavia, Ohio
Naperville
Naperville, Illinois
Lansing Board of Water & Light
Lansing, Michigan
Wildwood City Water Department
Rio Grande, New Jersey
Everett Public Works Dept. City Of
Everett, Washington
Alderwood Water District
Lynnwood, Washington
Tucson City Of
Tucson, Arizona
Gilbert, Town Of
Gilbert, Arizona
Springfield Water and Sewer Commission
Springfield, Massachusetts
Aurora City Of
Aurora, Colorado
Mobile, Bd. Of W&s Comm. Of the City Of
Mobile, Alabama
Tuscaloosa Water & Sewer
Tuscaloosa, Alabama
Lawton
Lawton, Oklahoma
City of Gulfport
Gulfport, Mississippi
City of Southaven
Southaven, Mississippi
City of Olive Branch
Olive Branch, Mississippi
City of Hattiesburg
Hattiesburg, Mississippi
Wvawc - Huntington Dist
Charleston, West Virginia
Rio Rancho Water & Ww Services
Rio Rancho, New Mexico
Kansas City Board of Public Utilities
Kansas City, Kansas
Olathe, City Of
Olathe, Kansas
Sioux City Water Supply
Sioux City, Iowa
Harford County D.p.w.
Abingdon, Maryland
Minneapolis
Minneapolis, Minnesota
Bloomington
Bloomington, Minnesota
Brooklyn Park
Brooklyn Park, Minnesota
Newark Water Department
Newark, New Jersey
Bjw&sa (0720003)
Okatie, South Carolina
City of Jackson
Jackson, Mississippi
Atlanta
Atlanta, Georgia
Topeka, City Of
Topeka, Kansas