Combined Filter Effluent in Drinking Water
Physical · MCL: 1 NTU · 0 systems exceeding limit
Overview
Combined Filter Effluent is regulated under the Safe Drinking Water Act with an MCL of 1 NTU. The EPA Safe Drinking Water program sets and enforces the maximum contaminant levels shown here.
Health Effects
Exposure to Combined Filter Effluent above the MCL of 1 NTU may cause adverse health effects. Consult EPA fact sheets for detailed information.
Sources of Contamination
Combined Filter Effluent can enter drinking water from natural deposits, industrial discharges, or other sources.
Treatment & Removal
Treatment methods for Combined Filter Effluent include activated carbon filtration, reverse osmosis, and specialized media.
How to Remove Combined Filter Effluent From Water
These filtration methods are effective for reducing Combined Filter Effluent in drinking water:
| Filter Method | Effectiveness | Cost Range | Certification |
|---|---|---|---|
| Reverse Osmosis (RO) | High (varies) | $200-500 (under-sink) | NSF/ANSI 58 |
| Activated Carbon Block | Moderate (varies) | $30-100 (pitcher/faucet) | NSF/ANSI 53 |
Reverse Osmosis (RO), details
Reverse osmosis is effective against most dissolved contaminants. Check specific certifications for this contaminant.
Activated Carbon Block, details
Effectiveness varies by contaminant. Look for filters specifically certified for this substance.
Water Systems with Combined Filter Effluent Detected
Chicago
Chicago, Illinois
Cleveland Public Water System
Cleveland, Ohio
Veolia Water New Jersey Hackensack
Haworth, New Jersey
Boston Water and Sewer Commission (mwra)
Boston, Massachusetts
Milwaukee Waterworks
Milwaukee, Wisconsin
Central Alabama Water System
Birmingham, Alabama
Mcwa
Rochester, New York
Mesa City Of
Mesa, Arizona
Regional Water Authority
New Haven, Connecticut
Saint Paul Regional Water Services
St. Paul, Minnesota
Metropolitan District Commission
Hartford, Connecticut
Aquarion-Eastern Fairfield County
Shelton, Connecticut
Loudoun Water - Central System
Ashburn, Virginia
Greensboro, City Of
Greensboro, North Carolina
Newark Water Department
Newark, New Jersey
Glen Burnie-Broadneck
Millersville, Maryland
Howard County D.p.w. Distribution
Columbia, Maryland
Buffalo Water Authority
Buffalo, New York
Fort Wayne - 3 Rivers Filtration Plant
Fort Wayne, Indiana
Nj American Water - Western
Delran, New Jersey
Jersey City Mua
Hoboken, New Jersey
City of Garland
Garland, Texas
Thornton City Of
Thornton, Colorado
Liberty Utilities New York - Lynbrook
Merrick, New York
Rochester City
Rochester, New York
Kalamazoo
Kalamazoo, Michigan
City of Jackson
Jackson, Mississippi
City of Columbia Utilities
Columbia, Missouri
Granger-Hunter Improvement District
Salt Lake City, Utah
Aquarion-Stamford
Shelton, Connecticut
Lowell Regional Water Utility
Lowell, Massachusetts
Green Bay Waterworks
Green Bay, Wisconsin
Waterbury Water Department
Waterbury, Connecticut
Medford Water Commission
Medford, Oregon
Santa Fe Water System (city Of)
Santa Fe, New Mexico
Brooklyn Park
Brooklyn Park, Minnesota
Cicero
Cicero, Illinois
City of Hattiesburg
Hattiesburg, Mississippi
Berkeley County Pswd-Potomac River
Martinsburg, West Virginia
Frequently Asked Questions
Combined Filter Effluent has been detected in 0 water systems that exceed the EPA maximum contaminant level (MCL) of 1 NTU, affecting approximately 0 people. Check your local water system's annual Consumer Confidence Report or search by ZIP code on this site.
Exposure to Combined Filter Effluent above the MCL of 1 NTU may cause adverse health effects. Consult EPA fact sheets for detailed information.
Effective filtration methods for Combined Filter Effluent include Reverse Osmosis (RO), Activated Carbon Block. Look for filters certified to NSF/ANSI standards for Combined Filter Effluent removal. See the detailed comparison table above for effectiveness ratings and cost ranges.
The EPA Maximum Contaminant Level (MCL) for Combined Filter Effluent is 1 NTU. The MCL Goal (MCLG), the level with no known health risk, is 0 NTU. Water systems must test regularly and notify customers if levels exceed the MCL.