Know Your Environment. Protect Your Health.

Radium, combined (-226 and -228)

Baton Rouge Water Company

Radium is a radioactive element that causes bone cancer and other cancers. It can occur naturally in groundwater, and oil and gas extraction activities such as hydraulic fracturing can elevate concentrations. Read More.

Radium releases radioactive particles that harm health in many ways, causing tumors in bone, lungs and other organs; leukemia; and skin and blood damage. Water utilities typically report radium amounts in picocuries per liter (pCi/L), which is a measure of radioactivity in water. The two most common forms of radium are radium-226 and radium-228. They may be reported separately or together.

Federal law allows up to 5 picocuries per liter of combined radium-226 and radium-228 in tap water. Research by the U.S. Geological Survey shows that in some regions of the country, such as the mid-continental region and North Atlantic coastal region, more than 20 percent of sampled wells have radium in levels exceeding the federal drinking water limit. And the legal limit does not equate safety: The EPA estimates that one in every 10,000 people drinking water containing radium at this level would develop cancer over a lifetime.

California set a public health goal much lower than the federal limit – 0.05 picocuries per liter of radium-226 and 0.019 picocuries per liter of radium-228, concentrations that are lower than the detection limit for most water tests.

Click here to read more on radiological contaminants.

 

588

Samples

0

Samples exceeding legal limit (MCL)

126

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.25 pCi/L6421ND - 1.33 pCi/L
20190.25 pCi/L7522ND - 1.69 pCi/L
20200.11 pCi/L13426ND - 1.01 pCi/L
20210.05 pCi/L998ND - 0.83 pCi/L
20220.12 pCi/L9718ND - 0.98 pCi/L
20230.21 pCi/L11931ND - 4.81 pCi/L

pCi/L = picocuries per liter

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.05 pCi/L

EWG applied the health guideline of 0.05 pCi/L, defined by the California Office of Environmental Health Hazard Assessment as a public health goal for radium-226, to radium-226 and radium-228 combined. This health guideline protects against cancer.

EPA Maximum Contaminant
Level (MCL): 5 pCi/L

The legal limit for combined radium-226 and radium-228, established in 1976, was based on costs for radium removal, as calculated at the time that the standard was set. This limit does not fully protect against the risk of cancer due to radium exposure.

pCi/L = picocuries per liter

All test results

Date Lab ID Result
2018-01-1135369996001ND
2018-01-11353699960020.90 pCi/L
2018-01-1135369996001ND
2018-01-11353699960020.90 pCi/L
2018-01-2935371282004ND
2018-01-2935371282004ND
2018-03-1235379759001ND
2018-03-1235379759002ND
2018-03-1235379759001ND
2018-03-1235379759002ND
2018-04-10353858050040.53 pCi/L
2018-04-1035385805005ND
2018-04-10353858050040.53 pCi/L
2018-04-1035385805005ND
2018-04-1735386963001ND
2018-04-1735386963002ND
2018-04-1735386963003ND
2018-04-1735386963004ND
2018-04-1735386963001ND
2018-04-1735386963002ND
2018-04-1735386963003ND
2018-04-1735386963004ND
2018-04-172005-01943-001ND
2018-06-11353981050010.36 pCi/L
2018-06-11353981050020.79 pCi/L
2018-06-11353981050010.36 pCi/L
2018-06-11353981050020.79 pCi/L
2018-09-20354194310010.89 pCi/L
2018-09-2035419431002ND
2018-09-2035419431003ND
2018-09-2035419431004ND
2018-09-20354194310010.89 pCi/L
2018-09-2035419431002ND
2018-09-2035419431003ND
2018-09-2035419431004ND
2018-09-202312-01359-001ND
2018-09-2435420620001ND
2018-09-2435420620002ND
2018-09-2435420620003ND
2018-09-2435420620004ND
2018-09-2435420620001ND
2018-09-2435420620002ND
2018-09-2435420620003ND
2018-09-2435420620004ND
2018-09-242001622-01ND
2018-09-242003796-01ND
2018-12-0335434672001ND
2018-12-0335434672002ND
2018-12-03354349410011.33 pCi/L
2018-12-0335434672001ND
2018-12-0335434672002ND
2018-12-03354349410011.33 pCi/L
2018-12-04354349310010.75 pCi/L
2018-12-04354349310020.57 pCi/L
2018-12-04354349310010.75 pCi/L
2018-12-04354349310020.57 pCi/L
2018-12-042302-01766-003ND
2018-12-042303-01547-0030.57 pCi/L
2018-12-1135436979001ND
2018-12-11354369790020.79 pCi/L
2018-12-11354369790030.64 pCi/L
2018-12-1135436979001ND
2018-12-11354369790020.79 pCi/L
2018-12-11354369790030.64 pCi/L
2019-01-23354443410011.15 pCi/L
2019-01-2335444343001ND
2019-01-23354443440010.48 pCi/L
2019-01-23354443410011.15 pCi/L
2019-01-2335444343001ND
2019-01-23354443440010.48 pCi/L
2019-02-1435448564001ND
2019-02-14354485640020.34 pCi/L
2019-02-1435448564001ND
2019-02-14354485640020.34 pCi/L
2019-03-1435454833001ND
2019-03-1435454833002ND
2019-03-1435454833001ND
2019-03-1435454833002ND
2019-03-142305-02321-001ND
2019-03-1835455451001ND
2019-03-1835455451002ND
2019-03-1835455451003ND
2019-03-1835455451004ND
2019-03-1835455451001ND
2019-03-1835455451002ND
2019-03-1835455451003ND
2019-03-1835455451004ND
2019-03-2535457421001ND
2019-03-2535457421001ND
2019-04-09354604830010.75 pCi/L
2019-04-09354604830020.84 pCi/L
2019-04-0935460483003ND
2019-04-09354604830010.75 pCi/L
2019-04-09354604830020.84 pCi/L
2019-04-0935460483003ND
2019-04-2435464166001ND
2019-04-2435464166002ND
2019-04-2435464166003ND
2019-04-24354641660040.36 pCi/L
2019-04-2435464166001ND
2019-04-2435464166002ND
2019-04-2435464166003ND
2019-04-24354641660040.36 pCi/L
2019-04-24DIR03082022-2ND
2019-04-24DIR03302021-2ND
2019-04-2935464817001ND
2019-04-2935464817002ND
2019-04-2935464817001ND
2019-04-2935464817002ND
2019-05-1635469376001ND
2019-05-16354693760020.49 pCi/L
2019-05-1635469376001ND
2019-05-16354693760020.49 pCi/L
2019-05-162113455-01ND
2019-05-162115423-01ND
2019-08-2135492794001ND
2019-08-2135492794002ND
2019-08-2135492794003ND
2019-08-2135492794001ND
2019-08-2135492794002ND
2019-08-2135492794003ND
2019-08-212003715-01ND
2019-08-212312-00884-002ND
2019-10-07355033170041.69 pCi/L
2019-10-07355033170041.69 pCi/L
2019-10-2835508802001ND
2019-10-2835508802001ND
2019-11-2035514423001ND
2019-11-2035514423001ND
2019-12-03355167320011.37 pCi/L
2019-12-03355167320021.27 pCi/L
2019-12-0335516732003ND
2019-12-03355167320011.37 pCi/L
2019-12-03355167320021.27 pCi/L
2019-12-0335516732003ND
2019-12-0435516731001ND
2019-12-04355167310020.61 pCi/L
2019-12-0435516731001ND
2019-12-04355167310020.61 pCi/L
2020-01-09355234870030.23 pCi/L
2020-01-092021517-COMBINED SPRINGS POINTND
2020-01-092021524-RAW WATER: CROSS ST. W0.23 pCi/L
2020-01-1635525044001ND
2020-01-1635525044002ND
2020-01-162021422-GP WELL #11ND
2020-01-162021513-FINISHED WATER: MAIN WND
2020-01-162021615-RAW WATER: WELL #2ND
2020-01-162021623-POINT OF ENTRY POST TRND
2020-01-2335526391002ND
2020-01-232021427-RAW WATER: WELL #2ND
2020-01-232021517-COMBINED SPRINGS POINTND
2020-02-1035529942002ND
2020-02-102021414-NOTOWN WTP: AFTER TREAND
2020-02-102021521-1465 MAIN ST - FAMILYND
2020-04-1435543877001ND
2020-04-1435543877002ND
2020-04-1435543877003ND
2020-04-142021426-WELL #1ND
2020-04-14202145-TREATED: SOUTH ST. WTFND
2020-04-142021511-QUABOAG ST. PUMP STATIND
2020-04-142021524-RAW WATER: WELL #3ND
2020-04-14202166-ROCK WELL #1ND
2020-04-2735546220001ND
2020-04-2735546220002ND
2020-04-2735546220003ND
2020-04-272021412-SAM BROOKS HOMEND
2020-04-272021414-NOTOWN WTP: AFTER TREAND
2020-04-272021420-POINT OF ENTRYND
2020-04-272021429-FINISHED: FRUIT ST PUMND
2020-04-27202146-WELL #8 RAWND
2020-04-272021517-COMBINED SPRINGS POINTND
2020-04-2835546711001ND
2020-04-28355467110020.26 pCi/L
2020-04-282021420-MAPLE SPRINGS PLANT -ND
2020-04-282021511-FINISHED: TREATMENT FAND
2020-04-28202168-BADDACOOK POND WELL (TR0.26 pCi/L
2020-04-28202168-MYERS AVE.WELLS MULTIPLND
2020-05-0435547452001ND
2020-05-04355474520021.01 pCi/L
2020-05-0435547452003ND
2020-05-0435548017002ND
2020-05-042021419-GREAT POND WTP FINISHEND
2020-05-042021420-WELL 1 SOURCE SAMPLE (ND
2020-05-042021427-RAW WATER: WELL #7ND
2020-05-042021512-WELL #4 GREAT ROAD WTPND
2020-05-04202154-WELL #2 SOURCE WATER SAND
2020-05-042021614-FINISHED: ENTRY POINTND
2020-05-042021615-12 WINTER ST - DPW HWYND
2020-05-042021615-WELL #61.01 pCi/L
2020-05-05355480170010.55 pCi/L
2020-05-05202146-WELL # 70.55 pCi/L
2020-05-052021524-WELL #2 PUMPHOUSEND
2020-05-2035551551001ND
2020-05-2035551551002ND
2020-05-2035551551003ND
2020-05-202021416-WHITE LODGE WTP (6G,7GND
2020-05-202021421-POINT OF ENTRY POST TRND
2020-05-20202145-HUGH CARGILL WELLFIELDND
2020-05-20202147-POINT OF ENTRYND
2020-05-202021519-FINISHED: FRUIT ST PUMND
2020-05-202021614-FINISHED: WELL #5ND
2020-06-1735557442001ND
2020-06-17355574430010.35 pCi/L
2020-06-1735557443002ND
2020-06-172021412-KARNER BROOK WTP POST0.35 pCi/L
2020-06-172021414-FINISHED: WARE POINT RND
2020-06-172021415-WELL 2 SOURCE WATER TAND
2020-06-17202145-FINISHED WATER: POND RDND
2020-06-172021615-RAW WATER: WELL #2ND
2020-06-172021616-FINISHED: BLACKSTONE SND
2020-06-2235558211001ND
2020-06-2235558211002ND
2020-06-22355582110030.81 pCi/L
2020-06-222021419-GREAT POND WTP FINISHEND
2020-06-222021421-SPRING STREET WELL0.81 pCi/L
2020-06-222021623-HARRIS POND RAWND
2020-06-22202168-MYERS AVE.WELLS MULTIPLND
2020-06-22202169-RAW WATER: WELL #1ND
2020-06-22202169-REPLACEMENT WELL #3ND
2020-06-2335558519001ND
2020-06-2335558519002ND
2020-06-23355585190030.69 pCi/L
2020-06-232021426-RAW: GREEN ST. BEDROCK0.69 pCi/L
2020-06-232021517-SLF BUILDING-CENTRAL AND
2020-06-23202154-TERRACE HALL # 2 (02G)ND
2020-06-23202155-COHASSET WTP - FINND
2020-06-232021623-CHESTNUT WTF POST TREAND
2020-06-23202168-TRACKLE POND WELLND
2020-07-21355653710030.89 pCi/L
2020-07-2135565371004ND
2020-07-212021414-MCKEON TREATMENT PLANTND
2020-07-21202146-STATION 3: BIGELOW RD.0.89 pCi/L
2020-07-212021526-FACILITY #1ND
2020-07-21202169-RAW WATER: WELL #1ND
2020-07-2235565371001ND
2020-07-22355653710020.85 pCi/L
2020-07-222021426-RAW: GREEN ST. BEDROCKND
2020-07-222021428-RAW WATER: SHABOKIN REND
2020-07-222021520-POINT OF ENTRY POST TR0.85 pCi/L
2020-07-222021526-PINE OAKS WELL # 1ND
2020-07-29355670650010.30 pCi/L
2020-07-29355670650020.41 pCi/L
2020-07-292021426-POND ST. WELL 10.30 pCi/L
2020-07-29202147-POINT OF ENTRYND
2020-07-292021512-RAW WATER: WELL #2 JER0.41 pCi/L
2020-07-292021610-GP: PFAS AIX 75% LEADND
2020-08-0435567840001ND
2020-08-0435567840002ND
2020-08-042021512-WELL #4 GREAT ROAD WTPND
2020-08-042021520-WEST BILLERICA FIRE STND
2020-08-042021615-WELL #9ND
2020-08-042021616-FINISHED: LOWELL & DUDND
2020-09-15355785140010.65 pCi/L
2020-09-15202145-WELL #5 SOURCE TAPND
2020-09-15202164-RAW: LANCASTER AVE TWF0.65 pCi/L
2020-10-1235584260001ND
2020-10-1235584260002ND
2020-10-122021413-WELL #2ND
2020-10-122021517-WATERTOWN - 99 MAIN STND
2020-10-122021615-WELL #9ND
2020-10-12202167-2060 WASHINGTON ST - OCND
2020-10-26355876590010.37 pCi/L
2020-10-2635587659002ND
2020-10-26202142-TREATED: WELL #3 - CHUR0.37 pCi/L
2020-10-262021426-RAW WATER BLEND: CHESTND
2020-10-262021512-HINGHAM ANIMAL CLINICND
2020-10-262021617-FINISHED: SNAKE POND WND
2020-12-0835597584001ND
2020-12-0835597584002ND
2020-12-082021413-RAW WATER: EAST ST. WEND
2020-12-082021526-FACILITY #1ND
2020-12-08202155-PHILIP BEAL TREATMENT PND
2020-12-082021623-CHESTNUT WTF POST TREAND
2021-01-2535607409001ND
2021-01-2535607409002ND
2021-01-2520211012-HOWE ST. WTP - FINISHND
2021-01-2520211013-GP WELL # 7ND
2021-01-2520211019-RAW WATER: CRANBERRYND
2021-01-2520211027-WELL #3 RAW WATERND
2021-03-02356164260010.55 pCi/L
2021-03-0235616426002ND
2021-03-0235616426003ND
2021-03-0220211029-RAW WATER: WORCESTERND
2021-03-0220211122-CRANBERRY (TRAIN B) F0.55 pCi/L
2021-03-022021113-TREATED: WACHUSETT ST.ND
2021-03-022021114-TOWNLINE HARDWAREND
2021-03-022021126-RAW WATER: ASSABET WELND
2021-03-022021128-35 AINSLIE DRIVEND
2021-03-0835617863001ND
2021-03-0835617863002ND
2021-03-0820211012-FOREST ST ROCK WELL (ND
2021-03-0820211013-WELL #3ND
2021-03-0820211117-WELL #3 & WELL #4ND
2021-03-0820211123-WINTHROP ST. GP WELLND
2021-04-2735629151001ND
2021-04-2720211020-DEPOT ST. GP WELLND
2021-04-2720211118-DRAPER RD WELL #2 - RND
2021-05-1835634927002ND
2021-05-1835634927003ND
2021-05-1820211019-POINT OF ENTRY POST TND
2021-05-1820211026-WELLS #2 & #3ND
2021-05-1820211031-WELL #8 & WELL #9 (09ND
2021-05-182021121-THORNEY LEA GOLF - 159ND
2021-07-1335647773001ND
2021-07-1335647773002ND
2021-07-13356477730030.76 pCi/L
2021-07-1320211018-WELLFIELD POINT OF ENND
2021-07-1320211026-REGIONAL FILTRATION PND
2021-07-132021105-POINT OF ENTRY POST TRND
2021-07-1320211118-WELLS #1 & #2ND
2021-07-1320211221-POINT OF ENTRY POST T0.76 pCi/L
2021-07-132021127-WELL #4 AND #5ND
2021-07-1435648187001ND
2021-07-1435648187002ND
2021-07-1420211117-ENTRY POINT AFTER BOOND
2021-07-142021113-BARNSTABLE HIGH SCHOOLND
2021-07-142021114-RAW WATER: WELL #6 FRUND
2021-07-142021119-POINT OF ENTRY POST TRND
2021-07-2835651687001ND
2021-07-2835651687002ND
2021-07-2820211018-PUMPHOUSE: FINISHED WND
2021-07-2820211018-WELL #1 RAWND
2021-07-2820211020-POINT OF ENTRY POST TND
2021-07-282021119-PLAIN ST FILTRATION PLND
2021-08-0935654155001ND
2021-08-09356541550020.83 pCi/L
2021-08-092021106-BEAVER BROOK WTP EFFLUND
2021-08-0920211115-WELL #1 POINT OF ENTRND
2021-08-092021118-CRYSTAL LAKE FILTRATIOND
2021-08-0920211221-POINT OF ENTRY POST T0.83 pCi/L
2021-10-1235670659001ND
2021-10-1235670659002ND
2021-10-1220211025-RAW WATER: WELL #2ND
2021-10-1220211116-MILLGATE RD. GP WELLND
2021-10-122021127-WELL #3, FERRY STREET:ND
2021-10-122021129-WELL # 9 HILLMANND
2021-10-2035672364001ND
2021-10-2020211123-ABINGTON ROCKLAND JOIND
2021-10-2020211130-WELL #1 AND #2ND
2021-10-2135672969002ND
2021-10-2135672969003ND
2021-10-2135672969004ND
2021-10-2135672969005ND
2021-10-2120211026-RAW WATER: WELL #2ND
2021-10-212021105-POINT OF ENTRYND
2021-10-2120211115-ASHLEY WTP POST TREATND
2021-10-2120211116-FOX HILL ROADND
2021-10-2120211119-FINISHED: WHITIN TWFND
2021-10-212021114-PUMPHOUSE (01G/03G)ND
2021-10-212021122-PATTON TRAIN C POST TRND
2021-10-212021127-FINISHED: WELL #5ND
2021-11-0135675492001ND
2021-11-0135675492002ND
2021-11-012021107-KELLY BLVD BOOSTER STAND
2021-11-012021107-STA. #3 (GWTP) - FINISND
2021-11-0120211118-CHICKERING DR. WELLSND
2021-11-0120211129-WELL #1 AND WELL #2ND
2021-11-15356791110010.35 pCi/L
2021-11-1535679111002ND
2021-11-1535679111003ND
2021-11-1535679111004ND
2021-11-1520211018-MAIN ST. GP WELL #1ND
2021-11-1520211025-WELLS #1 & #2ND
2021-11-152021111-WELL 15 AND 16ND
2021-11-1520211118-FR - SOUTH MAIN ST -ND
2021-11-1520211119-FINISHED: WOODBURY GPND
2021-11-1520211227-MUDDY POND WATER TREAND
2021-11-152021129-PLS ELDERLY HOUSINGND
2021-11-152021129-WELL # 9 HILLMAN0.35 pCi/L
2021-12-0635683441001ND
2021-12-062021106-BEAVER BROOK WTP EFFLUND
2021-12-0620211129-WELL #3 & WELL #6 (02ND
2022-01-2435692987001ND
2022-01-2435692987002ND
2022-01-242022729-CRYSTAL SPRINGS BLENDND
2022-01-24202282-NEW LAWRENCE WTP - FININD
2022-01-242022822-WELL # 2ND
2022-01-242022920-VINE BROOK GWTF - FININD
2022-02-0835695937001ND
2022-02-08356959370020.24 pCi/L
2022-02-082022719-POINT OF ENTRY POST TRND
2022-02-082022913-TREATED: JERSEY PUMPHOND
2022-02-082022914-TREATED: JACQUES WTF (0.24 pCi/L
2022-02-082022920-REPLACEMENT WELL #3ND
2022-02-2135699215001ND
2022-02-2135699215002ND
2022-02-2135699215003ND
2022-02-21202275-SOUTH ACTON WTP: AFTERND
2022-02-212022818-ARLINGTON CITY HALL-73ND
2022-02-21202282-NEW LAWRENCE WTP - FININD
2022-02-21202282-W.T.P. - FINISHED WATEND
2022-02-21202283-ION EXCHNAGE EFFLUENT TND
2022-02-212022919-FINISHED: WELL #3 - NEND
2022-03-14357043890010.98 pCi/L
2022-03-1435704389002ND
2022-03-14357043890030.96 pCi/L
2022-03-1435704389004ND
2022-03-14357043890050.86 pCi/L
2022-03-142022711-FINISHED: WELL 1 ENTRYND
2022-03-142022719-POINT OF ENTRY POST TRND
2022-03-142022719-TREATED WATER 01G/03G0.96 pCi/L
2022-03-14202281-PARK ST FS0.86 pCi/L
2022-03-142022810-180 BRIDGE ST - DUNKINND
2022-03-142022830-WELL A2 - RAW WATERND
2022-03-14202288-POINT OF ENTRY POST TRE0.98 pCi/L
2022-03-142022920-PLAIN ST FILTRATION PLND
2022-03-14202296-GRATTAN STREET FIRE STAND
2022-03-14202299-CLEVELAND WTP POST TREAND
2022-04-1835712260001ND
2022-04-1835712260002ND
2022-04-1835712260003ND
2022-04-18357122600040.32 pCi/L
2022-04-1835712260005ND
2022-04-182022718-CHARLES RIVER WTP - FIND
2022-04-182022719-POINT OF ENTRY POST TRND
2022-04-182022720-POINT OF ENTRY POST TR0.32 pCi/L
2022-04-182022817-TURNPIKE - MCDONALDSND
2022-04-18202283-ION EXCHNAGE EFFLUENT TND
2022-04-18202289-WILLIS WTP (MINE BROOK)ND
2022-04-182022914-CATACUNEMAUG RD WTP (TND
2022-04-182022920-BOTANY WELL (01G,02G)ND
2022-04-18202296-GP WELL # 5ND
2022-04-18202297-RAW WATER-WELL #2 FRUITND
2022-05-0235715790001ND
2022-05-0235715790002ND
2022-05-022022721-WELL #9ND
2022-05-022022725-POINT OF ENTRYND
2022-05-022022810-CHICKERING DR. WELLND
2022-05-022022822-WELL # 2ND
2022-06-2035726842001ND
2022-06-20202276-CAMBRIDGE WTP - FINISHND
2022-06-202022824-GP WELL # 4ND
2022-08-1835741196001ND
2022-08-1835741207001ND
2022-08-18357412100010.71 pCi/L
2022-08-182022712-RAW WATER: LANCASTER AND
2022-08-182022712-WELL #1ND
2022-08-182022719-PINE ST. GP WELLND
2022-08-18202288-HOME FARM WTP: FINISHEDND
2022-08-18202289-GP WELL # 2ND
2022-08-18202296-POINT OF ENTRY POST TRE0.71 pCi/L
2022-10-25357561110010.58 pCi/L
2022-10-2535756113001ND
2022-10-25357561140010.71 pCi/L
2022-10-25357561150010.62 pCi/L
2022-10-252022718-ENTRY POINT TAP AFTERND
2022-10-252022720-GP MID-POINT: BETWEENND
2022-10-25202276-CAMBRIDGE WTP - FINISH0.58 pCi/L
2022-10-25202276-SAM BROOKS HOME0.62 pCi/L
2022-10-252022817-LAKE NIP WELL 2BND
2022-10-25202282-NEW LAWRENCE WTP - FINI0.71 pCi/L
2022-10-252022826-POINT OF ENTRYND
2022-10-25202288-HOME FARM WTP: FINISHEDND
2022-10-252022914-MILL POND WTP - (01S,0ND
2022-11-1635760970001ND
2022-11-162022729-HINGHAM ST. RESERVOIRND
2022-11-16202283-BUTTERS ROW #2 - RAW WAND
2022-11-1735760970002ND
2022-11-172022818-4548 NORTH MAIN STND
2022-11-172022823-RAW WATER: WELL 3A GROND
2022-12-0535764806001ND
2022-12-0535764807001ND
2022-12-0535764808001ND
2022-12-052022725-POINT OF ENTRYND
2022-12-052022818-ARLINGTON CITY HALL-73ND
2022-12-052022826-POINT OF ENTRYND
2022-12-05202283-CLARK STREET POINT OF END
2022-12-05202288-RAW WATER #6.1 HOME FARND
2022-12-05202296-POINT OF ENTRY POST TREND
2023-01-11357725410010.22 pCi/L
2023-01-11202353-RAW WATER: NASHUA ROAD0.22 pCi/L
2023-01-112023620-WASHINGTON PLANTND
2023-04-1035791908001ND
2023-04-10357919090010.33 pCi/L
2023-04-10357919100010.26 pCi/L
2023-04-1035791911001ND
2023-04-10357919260010.51 pCi/L
2023-04-102023412-WELL #2 SOURCE TAP0.26 pCi/L
2023-04-102023418-RAW WATER: WHITCOMB WEND
2023-04-102023420-MID-POINT: CHESTNUT WTND
2023-04-10202344-NEPONSET STREET WTPND
2023-04-10202346-WELL # 10.51 pCi/L
2023-04-102023518-MAX RESIDENCE TIMEND
2023-04-10202353-TREATMENT PLANT - FINISND
2023-04-102023615-POINT OF ENTRY POST TRND
2023-04-102023622-WELLS #1 & 1A OLD MARL0.33 pCi/L
2023-04-10202368-FINISHED: ENTRY POINT AND
2023-04-1735793689001ND
2023-04-17357936890020.18 pCi/L
2023-04-1735793689003ND
2023-04-17357936890040.22 pCi/L
2023-04-1735793689005ND
2023-04-172023419-RAW WATER: POPULATIC WND
2023-04-172023425-HENDRICK WELLFIELD RAWND
2023-04-172023426-FINISHED: APRILLA PUMP0.18 pCi/L
2023-04-17202343-RAW WATER: WELL #1ND
2023-04-17202343-WELLS 1 & 2ND
2023-04-17202346-FINISHED:HOLBROOK ST. WND
2023-04-172023523-CHESTNUT WTF POST TREAND
2023-04-172023626-GP WELL #11ND
2023-04-172023626-POINT OF ENTRY POST TRND
2023-04-17202368-MILLGATE RD. GP WELL0.22 pCi/L
2023-05-02357971780010.47 pCi/L
2023-05-02357971780020.80 pCi/L
2023-05-0235797178003ND
2023-05-0235797178004ND
2023-05-02357971810011.14 pCi/L
2023-05-022023417-FINISHED: WELL # 2ND
2023-05-022023417-WELL # 1ND
2023-05-022023418-FINISHED: WELL #4 SOUTND
2023-05-022023420-CYR STATION 11.14 pCi/L
2023-05-02202343-SHAWSHEEN AVE - RAW WAT0.80 pCi/L
2023-05-02202344-POINT OF ENTRY POST TREND
2023-05-02202352-HAPPY HOLLOW WELL #2R -ND
2023-05-022023626-GP WELL # 8ND
2023-05-022023627-WELL #2: SOURCE TAP0.23 pCi/L
2023-06-1435806941001ND
2023-06-1435806942001ND
2023-06-1435806944001ND
2023-06-1435806945001ND
2023-06-142023515-STATE FOREST WELL #3 (ND
2023-06-142023523-STATION # 2 (02G)ND
2023-06-142023524-W.T.P. - FINISHED WATND
2023-06-142023531-GP WELL # 4ND
2023-06-14202354-FAY MT TANK - 1ST WEEKND
2023-06-142023628-WORCESTER ST. WELL WTPND
2023-06-14202365-GP WELL # 7ND
2023-06-14202368-TONKA VESSEL 2 SAMPLE TND
2023-06-20358083870014.81 pCi/L
2023-06-20358083910010.64 pCi/L
2023-06-20358083960010.73 pCi/L
2023-06-20358084110010.65 pCi/L
2023-06-202023411-WELL # 10.86 pCi/L
2023-06-202023419-WELL #2 RAW WATER3.95 pCi/L
2023-06-20202343-WATER DISTRICT OFFICE0.65 pCi/L
2023-06-20202343-WELLS #1,#2 (01G,02G)ND
2023-06-20202345-ENTRY POINT AFTER BOOSTND
2023-06-202023516-70 WYNDHURST DR - 3RD0.64 pCi/L
2023-06-202023518-POND ST TREATMENT PLAN0.73 pCi/L
2023-06-202023615-WELL #2 SOURCE TAPND
2023-06-2635809323001ND
2023-06-2635809330001ND
2023-06-26202351-AMERICAN GARAGE-THM05ND
2023-06-262023613-BOTANY WELL (01G,02G)ND
2023-06-262023613-OLD MATHEW ST TANK (0.ND
2023-06-262023621-IX ST2 VESSEL AT 25%ND
2023-07-31358177590010.68 pCi/L
2023-07-3135817759002ND
2023-07-312023424-MILLER ST. GP WELLND
2023-07-312023614-TREATED: JACQUES WTF (ND
2023-07-312023616-RAW: WHITCOMB WELLFIEL0.68 pCi/L
2023-07-31202367-WELL #19ND
2023-08-2935823999001ND
2023-08-29202353-TREATED: JACQUES WTF (LND
2023-08-292023620-FINISHED: TOWNSEND RDND
2023-09-1935829245001ND
2023-09-1935829245002ND
2023-09-1935829245003ND
2023-09-1935829245004ND
2023-09-192023419-RAW WATER: POPULATIC WND
2023-09-19202343-HUBBARD WELL #2 POINT OND
2023-09-19202345-ENTRY POINT (BLENDED SAND
2023-09-19202346-LANCASTER AVE WTP (BLENND
2023-09-19202355-SPRAGUE ROAD STATIONND
2023-09-192023615-POINT OF ENTRY POST TRND
2023-09-192023616-RAW: REPLACEMENT WELLND
2023-09-192023621-POINT OF ENTRYND
2023-10-1135834513001ND
2023-10-1135834513002ND
2023-10-1135834513003ND
2023-10-1135834513004ND
2023-10-11358345130050.88 pCi/L
2023-10-112023412-75 MIDDLE ST - TOWN HAND
2023-10-112023428-GWTP - FINISHED (1G,2GND
2023-10-11202344-BALDWIN POND WTP - FININD
2023-10-11202344-MARY DUNN & AIRPORT WEL0.88 pCi/L
2023-10-11202351-RAW WATER: GP WELL #8ND
2023-10-11202351-THE HIGHLANDS-335 NICHOND
2023-10-112023510-133 N. COMMON ROAD - 2ND
2023-10-112023510-RAW: WELL 2RND
2023-10-112023613-BOTANY WELL (01G,02G)ND
2023-10-11202368-WELLS #1 & #2ND
2023-12-1335848531001ND
2023-12-1335848531002ND
2023-12-13202344-MARY DUNN & AIRPORT WELND
2023-12-13202353-FINISHED ENTRY POINT: RND
2023-12-132023614-WELL 21 AND 22ND
2023-12-132023628-MID-POINT: CHESTNUT WTND