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Table 8

May 1, 1996

Just Add Water: Table 8

Table 8.

The largest drinking water systems with reported violations for inadequate filtration or disinfection, 1994-1995*.

 
Water System City Served State Population Number of Filtration Violations Most Recent Filtration Violation
New York City - Aqueduct System New York City NY 6,552,718 2 11/1/94 - 11/30/94
San Francisco Water Department San Francisco CA 750,000 1 3/1/95 - 4/1/95
PA-American Water Company Pittsburgh PA 615,543 1 1/1/94 - 1/31/94
Tucson Municipal Water Dept. Tucson AZ 550,000 2 10/1/94 - 10/31/94
Fort Worth, City Of Fort Worth TX 477,000 2 7/1/95 - 8/1/95
Pittsburgh Water & Sewer Auth. Pittsburgh PA 375,000 1 6/1/94 - 6/30/94
Buffalo City Division Of Water Buffalo NY 345,974 1 11/1/94 - 11/30/94
Akron Akron OH 308,000 4 4/1/94 - 4/30/94
OKC Draper Oklahoma City OK 276,000 1 4/1/94 - 4/30/94
Dept Of Water Jersey City Jersey City NJ 228,537 1 2/1/94 - 2/28/94
Tulsa Mohawk Tulsa OK 197,000 1 3/1/94 - 3/31/94
Yonkers City Yonkers NY 188,082 1 1/1/94 - 1/31/94
Zone 7 Water Agency Pleasanton CA 147,000 1 6/1/95 - 7/1/95
New Rochelle Water Company Larchmont NY 137,640 1 1/1/94 - 1/31/94
City Of Sunnyvale Sunnyvale CA 120,000 1 3/1/95 - 3/31/95
Salem Public Works Salem OR 116,000 1 11/1/95 - 12/1/95
Chester Water Authority Chester PA 110,000 1 1/1/94 - 1/31/94
Ann Arbor Ann Arbor MI 109,592 19 9/1/95 - 10/1/95
Wichita Falls City Of Wichita Falls TX 99,000 1 11/1/94 - 11/30/94
City Of Santa Clara Santa Clara CA 94,925 1 3/1/95 - 3/31/95
Decatur Decatur IL 83,885 5 5/1/95 - 6/1/95
Santa Cruz Water Department Santa Cruz CA 80,000 1 10/1/95 - 10/31/95
City Of Redding Redding CA 78,266 1 8/1/94 - 8/31/94
 
* Because of the Safe Drinking Water Act requirements, many of these communities have identified, and are in the process of solving problems.
 
Source: Environmental Working Group. Compiled from EPA Safe Drinking Water Information System 1994-1996.