The Power of Information

National Drinking Water Database

City of Newport Utilities - Newport, RI

Serves 43,809 people


Benzo[b]fluoranthene is a polycyclic aromatic hydrocarbon (PAH) released from combustion of organic matter including fossil fuel and wood.
This Drinking Water System
Test Days Exceeding Health GuidelinesDefinition of what this is
4 days
Test Days Exceeding Legal LimitsNumber of days in which the samples taken in that day exceed the Maximum Contaminant Level (Depending on the contaminant and its MCL, that may or may not trigger an MCL violation. Some MCLs are based on averages spanning several months to a year)
0 days
Test DaysNumber of days in which this chemical has reported results in the data we received from the State
13 days
Tests ConductedNumber of individual tests done for this contaminant
43 tests

Testing Summary

Health Limit
Legal Limit

Testing History

-Tested      -Detected      -Over Health Guidelines      -Over Legal Limit*
Benzo[b]fluorantheneBenzo[b]fluoranthene is a polycyclic aromatic hydrocarbon (PAH) released from combustion of organic matter including fossil fuel and wood.0.02 ppb
0.09 ppb
<0.01 ppb
Legal at any levelThis is the Federal Limit. State Limits may be lower.
NOTE: Each dot in the above graph represents one month.
* Water utilities are noted as exceeding the legal limit if any test is above the maximum contaminant level (MCL). Most MCLs are based on annual averages so exceeding the MCL for one test does not necessarily indicate that the system is out of compliance.

Health Based and Legal Limits for Benzo[b]fluoranthene

Health Based Limits for Benzo[b]fluoranthene

EPA Human Health Water Quality CriteriaWater quality criteria set by the US EPA provide guidance for states and tribes authorized to establish water quality standards under the Clean Water Act (CWA) to protect human health. These are non-enforceable standards based upon exposure by both drinking water and the contribution of water contamination to other consumed foods. Source: U.S. Environmental Protection Agency.<0.01 ppb

Testing Results

Testing DateAverage
Samples taken that dayNumber of Non-DetectsRange of Results
2006-10-020 ppb110 ppb
2006-07-310 ppb330 ppb
2006-05-080 ppb330 ppb
2006-02-140.09 ppb210 to 0.17 ppb
2005-10-170 ppb330 ppb
2005-07-110 ppb550 ppb
2005-05-090.04 ppb430 to 0.16 ppb
2005-01-100.04 ppb540 to 0.21 ppb
2004-10-180 ppb220 ppb
2004-07-120.03 ppb430 to 0.13 ppb
2004-06-240 ppb220 ppb
2004-04-190 ppb660 ppb
2004-01-210 ppb330 ppb