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EWG's Tap Water Database — 2019 UPDATE

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Polychlorinated biphenyls (PCBs)

North Penn Water Authority

PCBs are synthetic chemicals banned in the U.S. since the 1970s because of their toxicity. PCBs contaminate water by leaching from landfills and hazardous waste clean-up sites. PCBs increase the risk of cancer. Read More.

Up until the late 1970s, PCBs were used widely as coolants and lubricants in transformers, capacitors and other electrical equipment. Currently, PCBs are widely detected in the general population. They build up and are stored in fatty tissues and fluids such as breast milk, and can be passed on to fetuses and infants during pregnancy and breast-feeding. In human epidemiological studies, PCBs have been associated with an elevated risk of breast and prostate cancers. Infants and children with higher PCB exposures during development score lower on measures of neurological function, ranging from decreased IQ scores to reduced hearing sensitivity. PCBs also affect hormones and damage the immune system.

 

245

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014ND240ND
2015ND20ND
2016ND20ND
2017ND2170ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.09 ppb

The EWG Health Guideline of 0.09 ppb for PCBs was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

EPA Maximum Contaminant
Level (MCL) 0.5 ppb

The legal limit for PCBs, established in 1991, was based on analytical detection limits at the time that the standard was set. This limit may not fully protect against the risk of cancer due to PCB exposure.

ppb = parts per billion

All test results

Date Lab ID Result
2014-04-2214030712-01ND
2014-04-2214030714-01ND
2014-04-2214030715-01ND
2014-04-2214040589-01ND
2014-04-2214040590-01ND
2014-04-2814040582-01ND
2014-04-2914030716-01ND
2014-04-2914030718-01ND
2014-04-2914030719-01ND
2014-04-2914030720-01ND
2014-04-2914040579-01ND
2014-05-1914041348-01ND
2014-07-0714070787-001ND
2014-07-0714070812-001ND
2014-07-0714070804-001ND
2014-07-0714070808-001ND
2014-07-0714070809-001ND
2014-07-211427975ND
2014-07-211427976ND
2014-08-041431083ND
2014-08-2514082295-01ND
2014-08-2514082296-01ND
2014-08-2514082297-01ND
2014-08-2514082298-01ND
2015-07-0213013265ND
2015-12-0913633945ND
2016-08-2314907929ND
2016-11-0215226756ND
2017-01-1115517903ND
2017-04-0515936969ND
2017-04-0515937182ND
2017-04-0515937040ND
2017-04-0515937004ND
2017-04-0515937147ND
2017-04-0515937121ND
2017-04-0515937075ND
2017-04-0515936971ND
2017-04-0515936972ND
2017-04-0515936973ND
2017-04-0515936974ND
2017-04-0515936975ND
2017-04-0515936976ND
2017-04-0515936977ND
2017-04-0515937006ND
2017-04-0515937007ND
2017-04-0515937008ND
2017-04-0515937009ND
2017-04-0515937010ND
2017-04-0515937011ND
2017-04-0515937012ND
2017-04-0515937042ND
2017-04-0515937043ND
2017-04-0515937044ND
2017-04-0515937045ND
2017-04-0515937046ND
2017-04-0515937047ND
2017-04-0515937048ND
2017-04-0515937077ND
2017-04-0515937078ND
2017-04-0515937079ND
2017-04-0515937080ND
2017-04-0515937081ND
2017-04-0515937082ND
2017-04-0515937083ND
2017-04-0515937123ND
2017-04-0515937124ND
2017-04-0515937125ND
2017-04-0515937126ND
2017-04-0515937127ND
2017-04-0515937128ND
2017-04-0515937129ND
2017-04-0515937149ND
2017-04-0515937150ND
2017-04-0515937151ND
2017-04-0515937152ND
2017-04-0515937153ND
2017-04-0515937154ND
2017-04-0515937155ND
2017-04-0515937184ND
2017-04-0515937185ND
2017-04-0515937186ND
2017-04-0515937187ND
2017-04-0515937188ND
2017-04-0515937189ND
2017-04-0515937190ND
2017-04-1915938034ND
2017-04-1915937998ND
2017-04-1915937854ND
2017-04-1915937926ND
2017-04-1915937962ND
2017-04-1915937890ND
2017-04-1915937856ND
2017-04-1915937857ND
2017-04-1915937858ND
2017-04-1915937859ND
2017-04-1915937860ND
2017-04-1915937861ND
2017-04-1915937862ND
2017-04-1915937892ND
2017-04-1915937893ND
2017-04-1915937894ND
2017-04-1915937895ND
2017-04-1915937896ND
2017-04-1915937897ND
2017-04-1915937898ND
2017-04-1915937928ND
2017-04-1915937929ND
2017-04-1915937930ND
2017-04-1915937931ND
2017-04-1915937932ND
2017-04-1915937933ND
2017-04-1915937934ND
2017-04-1915937964ND
2017-04-1915937965ND
2017-04-1915937966ND
2017-04-1915937967ND
2017-04-1915937968ND
2017-04-1915937969ND
2017-04-1915937970ND
2017-04-1915938000ND
2017-04-1915938001ND
2017-04-1915938002ND
2017-04-1915938003ND
2017-04-1915938004ND
2017-04-1915938005ND
2017-04-1915938006ND
2017-04-1915938036ND
2017-04-1915938037ND
2017-04-1915938038ND
2017-04-1915938039ND
2017-04-1915938040ND
2017-04-1915938041ND
2017-04-1915938042ND
2017-07-1216414063ND
2017-07-1216413886ND
2017-07-1216414027ND
2017-07-1216413956ND
2017-07-1216413921ND
2017-07-1216414099ND
2017-07-1216413992ND
2017-07-1216413888ND
2017-07-1216413889ND
2017-07-1216413890ND
2017-07-1216413891ND
2017-07-1216413892ND
2017-07-1216413893ND
2017-07-1216413894ND
2017-07-1216413923ND
2017-07-1216413924ND
2017-07-1216413925ND
2017-07-1216413926ND
2017-07-1216413927ND
2017-07-1216413928ND
2017-07-1216413929ND
2017-07-1216413958ND
2017-07-1216413959ND
2017-07-1216413960ND
2017-07-1216413961ND
2017-07-1216413962ND
2017-07-1216413963ND
2017-07-1216413964ND
2017-07-1216413994ND
2017-07-1216413995ND
2017-07-1216413996ND
2017-07-1216413997ND
2017-07-1216413998ND
2017-07-1216413999ND
2017-07-1216414000ND
2017-07-1216414029ND
2017-07-1216414030ND
2017-07-1216414031ND
2017-07-1216414032ND
2017-07-1216414033ND
2017-07-1216414034ND
2017-07-1216414035ND
2017-07-1216414065ND
2017-07-1216414066ND
2017-07-1216414067ND
2017-07-1216414068ND
2017-07-1216414069ND
2017-07-1216414070ND
2017-07-1216414071ND
2017-07-1216414101ND
2017-07-1216414102ND
2017-07-1216414103ND
2017-07-1216414104ND
2017-07-1216414105ND
2017-07-1216414106ND
2017-07-1216414107ND
2017-07-1716414170ND
2017-07-1716414134ND
2017-07-1716414314ND
2017-07-1716414206ND
2017-07-1716414242ND
2017-07-1716414278ND
2017-07-1716414136ND
2017-07-1716414137ND
2017-07-1716414138ND
2017-07-1716414139ND
2017-07-1716414140ND
2017-07-1716414141ND
2017-07-1716414142ND
2017-07-1716414172ND
2017-07-1716414173ND
2017-07-1716414174ND
2017-07-1716414175ND
2017-07-1716414176ND
2017-07-1716414177ND
2017-07-1716414178ND
2017-07-1716414208ND
2017-07-1716414209ND
2017-07-1716414210ND
2017-07-1716414211ND
2017-07-1716414212ND
2017-07-1716414213ND
2017-07-1716414214ND
2017-07-1716414244ND
2017-07-1716414245ND
2017-07-1716414246ND
2017-07-1716414247ND
2017-07-1716414248ND
2017-07-1716414249ND
2017-07-1716414250ND
2017-07-1716414280ND
2017-07-1716414281ND
2017-07-1716414282ND
2017-07-1716414283ND
2017-07-1716414284ND
2017-07-1716414285ND
2017-07-1716414286ND
2017-07-1716414316ND
2017-07-1716414317ND
2017-07-1716414318ND
2017-07-1716414319ND
2017-07-1716414320ND
2017-07-1716414321ND
2017-07-1716414322ND
2017-10-0916880761ND
2017-10-0916880763ND
2017-10-0916880764ND
2017-10-0916880765ND
2017-10-0916880766ND
2017-10-0916880767ND
2017-10-0916880768ND
2017-10-0916880769ND