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EWG's Tap Water Database — 2021 UPDATE

Donate

Equilin

Suffolk County Water Authority

 

482

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND2330ND
2014ND2350ND
2015ND140ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-01-03201575651ND
2013-01-04201574772ND
2013-01-10201574769ND
2013-01-10201575364ND
2013-01-11201573041ND
2013-01-16201574827ND
2013-01-17201575545ND
2013-01-17201575554ND
2013-01-23201573115ND
2013-02-15201590303ND
2013-02-20201590273ND
2013-02-21201590276ND
2013-02-22201590321ND
2013-02-26201590330ND
2013-02-27201590259ND
2013-03-01201604140ND
2013-03-05201574757ND
2013-03-06201604800ND
2013-03-06201603019ND
2013-03-06201604827ND
2013-03-08201604845ND
2013-03-08201603261ND
2013-03-13201599972ND
2013-03-14201604821ND
2013-03-14201604794ND
2013-03-15201602216ND
2013-03-15201602218ND
2013-03-21201604806ND
2013-03-22201604818ND
2013-03-22201600707ND
2013-03-26201611823ND
2013-03-26201611826ND
2013-03-26201611827ND
2013-03-27201601399ND
2013-03-27201600737ND
2013-03-27201600568ND
2013-03-28201604842ND
2013-04-01201611825ND
2013-04-02201611821ND
2013-04-02201619593ND
2013-04-02201611822ND
2013-04-03201619548ND
2013-04-03201619604ND
2013-04-04201619600ND
2013-04-04201590267ND
2013-04-05201618336ND
2013-04-05201618339ND
2013-04-05201618348ND
2013-04-05201618393ND
2013-04-05201618390ND
2013-04-08201622360ND
2013-04-10201624035ND
2013-04-10201624036ND
2013-04-10201624034ND
2013-04-11201614160ND
2013-04-11201617292ND
2013-04-11201618381ND
2013-04-12201616755ND
2013-04-17201617353ND
2013-04-17201618420ND
2013-04-17201613343ND
2013-04-19201618357ND
2013-04-23201618369ND
2013-04-23201618378ND
2013-04-24201618438ND
2013-04-24201618423ND
2013-04-24201618429ND
2013-04-25201618354ND
2013-04-26201616726ND
2013-04-26201616957ND
2013-04-29201618405ND
2013-04-30201628281ND
2013-04-30201619595ND
2013-04-30201604833ND
2013-04-30201635795ND
2013-05-01201635607ND
2013-05-01201635589ND
2013-05-01201635598ND
2013-05-02201635546ND
2013-05-03201635592ND
2013-05-03201635619ND
2013-05-09201635552ND
2013-05-15201632362ND
2013-05-15201635610ND
2013-05-15201632150ND
2013-05-16201633471ND
2013-05-16201645651ND
2013-05-17201635570ND
2013-05-22201638834ND
2013-05-23201635555ND
2013-05-23201649577ND
2013-05-24201635573ND
2013-05-24201635582ND
2013-05-31201632240ND
2013-05-31201635564ND
2013-05-31201650436ND
2013-06-05201636527ND
2013-06-06201632229ND
2013-06-07201638838ND
2013-06-07201635911ND
2013-06-07201650442ND
2013-06-12201642679ND
2013-06-12201638170ND
2013-06-13201636407ND
2013-06-13201632128ND
2013-06-14201647892ND
2013-06-14201636319ND
2013-06-14201638829ND
2013-06-26201634005ND
2013-06-26201635584ND
2013-07-03201671853ND
2013-07-05201671521ND
2013-07-10201662720ND
2013-07-17201662666ND
2013-07-18201647711ND
2013-07-18201673222ND
2013-07-19201667197ND
2013-07-24201667422ND
2013-07-25201673219ND
2013-07-25201668306ND
2013-07-31201671000ND
2013-07-31201670996ND
2013-08-27201690937ND
2013-08-27201684957ND
2013-08-29201694210ND
2013-08-29201694208ND
2013-08-29201694214ND
2013-08-29201694212ND
2013-08-30201689175ND
2013-08-30201685005ND
2013-09-04201703952ND
2013-09-04201703980ND
2013-09-05201701774ND
2013-09-06201701745ND
2013-09-06201701705ND
2013-09-06201702993ND
2013-09-06201701707ND
2013-09-06201701735ND
2013-09-16201703998ND
2013-09-16201701922ND
2013-09-16201702340ND
2013-09-17201703974ND
2013-09-17201703946ND
2013-09-17201698425ND
2013-09-18201701743ND
2013-09-18201703971ND
2013-09-18201699602ND
2013-09-19201703961ND
2013-09-19201701750ND
2013-09-19201702442ND
2013-09-19201701747ND
2013-09-19201703958ND
2013-09-26201701746ND
2013-09-26201703995ND
2013-09-27201701833ND
2013-09-27201699636ND
2013-09-27201699112ND
2013-09-27201700238ND
2013-09-27201703986ND
2013-10-07201718886ND
2013-10-07201718868ND
2013-10-07201718871ND
2013-10-07201718877ND
2013-10-08201721960ND
2013-10-08201721962ND
2013-10-08201721958ND
2013-10-08201720911ND
2013-10-09201717014ND
2013-10-09201720866ND
2013-10-09201715538ND
2013-10-10201721956ND
2013-10-10201721974ND
2013-10-10201721975ND
2013-10-11201719443ND
2013-10-11201715601ND
2013-10-17201720806ND
2013-10-17201720845ND
2013-10-18201720267ND
2013-10-21201724743ND
2013-10-30201721954ND
2013-10-30201721977ND
2013-10-30201721966ND
2013-10-30201721968ND
2013-10-30201721964ND
2013-10-31201735600ND
2013-11-04201735662ND
2013-11-05201719583ND
2013-11-05201720812ND
2013-11-05201715204ND
2013-11-06201734530ND
2013-11-06201730200ND
2013-11-06201737964ND
2013-11-06201737985ND
2013-11-07201737943ND
2013-11-07201724774ND
2013-11-08201720798ND
2013-11-08201737922ND
2013-11-08201730306ND
2013-11-08201720869ND
2013-11-13201730396ND
2013-11-13201737976ND
2013-11-13201730206ND
2013-11-14201720824ND
2013-11-14201737931ND
2013-11-19201737952ND
2013-11-20201712857ND
2013-11-20201720851ND
2013-11-20201720839ND
2013-11-20201716919ND
2013-11-21201737949ND
2013-11-21201721971ND
2013-11-21201746386ND
2013-11-22201735415ND
2013-11-22201737934ND
2013-11-22201742293ND
2013-11-26201724776ND
2013-11-27201719472ND
2013-12-04201734660ND
2013-12-04201738637ND
2013-12-05201730186ND
2013-12-06201730295ND
2013-12-11201720860ND
2013-12-11201752193ND
2013-12-11201740136ND
2013-12-12201734515ND
2013-12-13201749180ND
2013-12-13201734394ND
2013-12-18201736514ND
2013-12-18201737727ND
2013-12-18201749509ND
2013-12-20201743230ND
2013-12-30201760668ND
2013-12-30201760670ND
2014-01-02201766627ND
2014-01-06201761350ND
2014-01-08201766203ND
2014-01-08201766614ND
2014-01-09201761390ND
2014-01-16201766623ND
2014-01-17201766590ND
2014-01-17201766596ND
2014-01-17201766602ND
2014-01-17201766608ND
2014-01-23201764360ND
2014-01-23201763420ND
2014-01-24201765723ND
2014-01-24201761225ND
2014-01-28201766158ND
2014-01-29201763985ND
2014-01-31201774076ND
2014-01-31201774077ND
2014-01-31201774078ND
2014-01-31201774075ND
2014-02-05201774801ND
2014-02-05201774771ND
2014-02-05201774765ND
2014-02-06201774795ND
2014-02-07201774783ND
2014-02-07201774753ND
2014-02-14201774741ND
2014-02-19201774747ND
2014-02-19201776388ND
2014-02-20201774807ND
2014-02-21201774813ND
2014-03-05201790654ND
2014-03-05201790594ND
2014-03-06201790648ND
2014-03-06201790642ND
2014-03-07201790582ND
2014-03-07201790588ND
2014-03-07201790685ND
2014-03-12201790686ND
2014-03-12201790687ND
2014-03-13201797494ND
2014-03-13201797486ND
2014-03-14201790678ND
2014-03-14201797488ND
2014-03-18201797467ND
2014-03-18201797468ND
2014-03-18201797465ND
2014-03-21201790636ND
2014-03-21201790618ND
2014-03-21201790630ND
2014-03-21201790660ND
2014-03-24201790612ND
2014-03-26201790540ND
2014-03-26201790558ND
2014-03-26201790552ND
2014-03-27201805765ND
2014-03-27201790576ND
2014-03-27201790564ND
2014-03-27201790546ND
2014-04-01201804918ND
2014-04-01201803827ND
2014-04-01201801969ND
2014-04-03201804970ND
2014-04-04201797492ND
2014-04-04201804454ND
2014-04-09201804962ND
2014-04-15201803834ND
2014-04-15201804934ND
2014-04-15201804940ND
2014-04-15201800392ND
2014-04-17201818300ND
2014-04-17201790606ND
2014-04-17201812199ND
2014-04-22201800436ND
2014-04-23201817516ND
2014-04-23201800718ND
2014-04-23201817517ND
2014-04-24201800749ND
2014-04-25201808882ND
2014-04-29201808881ND
2014-04-29201803956ND
2014-04-29201800564ND
2014-04-29201817510ND
2014-04-30201809071ND
2014-05-01201823043ND
2014-05-01201821644ND
2014-05-01201817544ND
2014-05-01201822189ND
2014-05-02201821572ND
2014-05-08201815922ND
2014-05-12201817514ND
2014-05-14201823049ND
2014-05-14201822144ND
2014-05-14201818880ND
2014-05-15201819114ND
2014-05-15201823023ND
2014-05-15201823035ND
2014-05-15201823029ND
2014-05-15201822603ND
2014-05-16201822034ND
2014-05-16201818012ND
2014-05-16201823015ND
2014-05-19201817513ND
2014-05-19201817515ND
2014-05-19201817512ND
2014-05-20201804982ND
2014-05-20201830440ND
2014-05-22201832885ND
2014-05-22201832880ND
2014-05-22201832886ND
2014-05-23201835845ND
2014-05-23201835846ND
2014-05-23201832884ND
2014-05-23201835844ND
2014-05-23201832887ND
2014-05-28201823007ND
2014-06-04201838963ND
2014-06-05201839604ND
2014-06-11201790534ND
2014-06-11201790570ND
2014-06-12201845586ND
2014-06-17201847015ND
2014-07-02201854656ND
2014-07-02201853416ND
2014-07-03201808883ND
2014-07-03201851207ND
2014-07-03201859130ND
2014-07-10201854629ND
2014-07-11201853503ND
2014-07-16201862891ND
2014-07-18201854568ND
2014-07-18201862890ND
2014-07-18201862892ND
2014-07-18201852888ND
2014-07-24201854434ND
2014-07-24201854476ND
2014-07-24201854488ND
2014-07-25201867245ND
2014-07-30201837981ND
2014-07-30201850159ND
2014-08-01201862585ND
2014-08-01201862633ND
2014-08-01201862579ND
2014-08-05201861531ND
2014-08-08201854509ND
2014-08-08201849109ND
2014-08-08201862645ND
2014-08-13201862567ND
2014-08-13201862561ND
2014-08-15201862609ND
2014-08-15201862639ND
2014-08-19201869061ND
2014-08-20201862621ND
2014-08-27201884408ND
2014-09-03201877409ND
2014-09-05201888494ND
2014-09-08201888560ND
2014-09-10201888512ND
2014-09-10201720878ND
2014-09-12201888542ND
2014-09-12201888530ND
2014-09-15201888506ND
2014-09-16201898451ND
2014-09-16201896971ND
2014-09-17201884503ND
2014-09-17201888476ND
2014-09-17201888452ND
2014-09-23201888574ND
2014-09-24201888568ND
2014-09-24201888023ND
2014-09-24201900234ND
2014-09-26201896977ND
2014-09-26201885198ND
2014-09-26201898457ND
2014-09-30201901738ND
2014-09-30201896317ND
2014-10-01201888446ND
2014-10-01201888482ND
2014-10-01201903094ND
2014-10-01201888464ND
2014-10-03201896316ND
2014-10-03201896315ND
2014-10-07201901710ND
2014-10-09201901737ND
2014-10-09201901815ND
2014-10-10201888784ND
2014-10-10201908003ND
2014-10-16201912217ND
2014-10-16201912218ND
2014-10-16201912215ND
2014-10-16201912216ND
2014-10-17201905130ND
2014-10-20201908019ND
2014-10-20201905397ND
2014-10-24201907613ND
2014-10-24201908025ND
2014-10-27201921278ND
2014-10-27201921302ND
2014-10-27201920420ND
2014-10-28201921277ND
2014-10-28201921275ND
2014-10-29201908033ND
2014-10-29201908045ND
2014-10-30201920789ND
2014-10-30201919214ND
2014-10-31201904372ND
2014-10-31201904946ND
2014-10-31201907997ND
2014-10-31201924490ND
2014-11-04201920743ND
2014-11-04201920737ND
2014-11-05201917387ND
2014-11-07201901787ND
2014-11-12201920749ND
2014-11-14201931394ND
2014-11-14201920020ND
2014-11-14201931397ND
2014-11-17201931396ND
2014-11-17201931393ND
2014-11-17201931395ND
2014-11-18201922193ND
2014-11-20201920757ND
2014-11-20201920763ND
2014-11-20201920769ND
2014-11-21201920723ND
2014-11-21201931392ND
2014-11-25201931391ND
2014-11-25201921259ND
2014-12-01201938578ND
2014-12-11201939227ND
2014-12-15201939224ND
2014-12-22201939225ND
2014-12-22201942648ND
2014-12-22201942647ND
2014-12-22201939229ND
2015-01-13201954990ND
2015-01-13201954989ND
2015-01-21201954991ND
2015-02-27201975177ND
2015-03-12201975540ND
2015-03-26201987954ND
2015-06-09202029372ND
2015-06-09201995730ND
2015-06-09202029513ND
2015-06-09202029507ND
2015-06-09202029496ND
2015-07-27202051942ND
2015-07-27202051936ND
2015-10-09202091054AND