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City Of Blair <br />TEST RESULTS Date Printed: 3/12/2019 NE3117905 <br />Microbiological <br />Highest No. of Positive Samples <br />MCL <br />MCLG <br />Likely Source Of Contamination <br />Violations Present <br />COLIFORM (TCR) <br />In the month of July, 1 sample(s) were <br />positive <br />17.435 <br />N/A <br />Naturally resent in the environment <br />uray p <br />No <br />Lead and Copper <br />Monitoring <br />cn <br />90 Percentile <br />Range <br />Unit <br />AL <br />Sites <br />Likely Source Of Contamination <br />17.435 <br />Period <br />Value <br />By-product of drinking water disinfection. <br />TTHM <br />1/112018- <br />12/31/2018 <br />Over AL <br />19'8 ppb <br />64.5 <br />ATRAZINE <br />7/5/2016 <br />0.128 <br />0.0159- <br />ppb <br />3 <br />3 <br />Erosion of natural deposits; Leaching from wood preservatives; Corrosion of <br />COPPER, FREE <br />2014-2016 <br />0.0593 <br />0.0774 <br />ppm <br />1.3 <br />0 <br />household plumbing. <br />BARIUM <br />7/5/2016 <br />0.0296 <br />0.242- <br />ppm <br />2 <br />2 <br />Erosion of natural deposits; Leaching from wood preservatives; Corrosion of <br />LEAD <br />2014-2016 <br />0.589 <br />1.61 <br />ppb <br />15 <br />0 <br />household plumbing. <br />Regulated Contaminants <br />Collection <br />Highest <br />Range <br />unit <br />MCL <br />MCLG <br />Likely Source Of Contamination <br />17.435 <br />Date <br />Value <br />By-product of drinking water disinfection. <br />TTHM <br />1/112018- <br />12/31/2018 <br />44.675 <br />19'8 ppb <br />64.5 <br />ATRAZINE <br />7/5/2016 <br />0.128 <br />0.128 <br />ppb <br />3 <br />3 <br />Runoff from herbicide used on row crops <br />Unregulated Water Quality <br />Data <br />Collection Date <br />Hi hest Value Range Unit Seconds MCL <br />ALKALINITY, CARBONATE <br />Discharge from drilling wastes; Discharge -from metal refineries; Erosion of natural <br />BARIUM <br />7/5/2016 <br />0.0296 <br />0.0296 <br />ppm <br />2 <br />2 <br />deposits. <br />CHROMIUM <br />7/5/2016 <br />1.43 <br />1.43 <br />ppb <br />100 <br />100 <br />Discharge from steel and pulp mills; Erosion of natural deposits. <br />DINOSEB <br />7/31/2018 <br />2.82 <br />2.82 <br />ppb <br />7 <br />7 <br />Runoff from herbicide used on soybeans and vegetables <br />8/8/2016 <br />300 <br />300 m /L 250 <br />Erosion of natural deposits; water additive which promotes strong teeth; Fertilizer <br />FLUORIDE <br />7/5/2016 <br />0.854 <br />0.854 <br />ppm <br />4 <br />4 <br />discharge. <br />Runoff from fertilizer use; Leaching from septic tanks, sewage; Erosion <br />NITRATE -NITRITE <br />2/26/2018 <br />0.901 <br />0.901 <br />ppm <br />10 <br />10 <br />deposits <br />777ld <br />SELENIUM <br />7/5/2016 <br />3.77 <br />3.77 <br />ppb <br />50 <br />1 50 <br />Erosion of natural deposits <br />Disinfection Byproducts <br />Monitoring <br />Period <br />Highest <br />RAA <br />Range Unit <br />MCL MCLG <br />Likely Source Of Contamination <br />TOTAL HALOACETIC <br />ACIDS HAA5 <br />111/2018- <br />12/31/2018 <br />17.435 <br />8.44 <br />25 5 ppb <br />60 0 <br />By-product of drinking water disinfection. <br />TTHM <br />1/112018- <br />12/31/2018 <br />44.675 <br />19'8 ppb <br />64.5 <br />80 0 <br />By-product of drinking water disinfection. <br />Unregulated Water Quality <br />Data <br />Collection Date <br />Hi hest Value Range Unit Seconds MCL <br />ALKALINITY, CARBONATE <br />1/16/2018 <br />220 <br />178-220 m /L <br />CARBON, TOTAL <br />3/5/2018 <br />9.78 <br />2.24-9.78 ppm <br />METOLACHLOR <br />7/5/2016 <br />0.168 <br />0.168 ppb <br />NICKEL <br />8/8/2016 <br />0.00127 <br />0.00127 m /L 0.1 <br />SULFATE <br />8/8/2016 <br />300 <br />300 m /L 250 <br />Durina the 2018 calendar year, we had the below noted violation(s) of drinking water regulations. <br />The City Of Blair has taken the following actions to return to compliance with the Nebraska Safe Drinking Water Act: <br />Additional Required Health Effects Language: <br />Coliforms are bacteria that are naturally present in the environment and are used as an indicator that other potentially harmful bacteria may be present. Coliforms were found in more <br />samples than allowed and this was a warning of potential problems. <br />There are no additional required health effects violation notices. <br />