2020 scv water quality report€¦ · parameters / constituents units mcl (al) (rl) phg (mclg) dlr/...
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PARAMETERS / CONSTITUENTS UNITSMCL(AL)(RL)
PHG (MCLG)
DLR/ MRL
Santa Clarita Valley Water Agency – Import Division
(% Groundwater and % Surface Water)
Santa Clarita Valley Water Agency – Import Division
Perchlorate Treatment Plant
Santa Clarita Valley Water Agency – Santa Clarita
Water Division
Santa Clarita Valley Water Agency – Valencia
Water Division
Santa Clarita Valley Water Agency – Newhall Water Division
(Castaic)
Santa Clarita Valley Water Agency – Newhall Water Division
(Newhall)
Santa Clarita Valley Water Agency – Newhall Water Division
(Pinetree5)
Santa Clarita Valley Water Agency – Newhall Water Division
(Tesoro1)
Los Angeles County
Waterworks District #36
INORGANICSRANGE
TYPICALRANGE
TYPICALRANGE
TYPICALRANGE
TYPICALRANGE
TYPICALRANGE
TYPICALRANGE
TYPICALRANGE
TYPICALRANGE
TYPICALMIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
Aluminum mg/L 1 0.6 0.05 <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR
Arsenic ug/L 10 0.004 2 <DLR <DLR <DLR <DLR <DLR <DLR <DLR 2.2 <DLR <DLR 3.1 <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR
Fluoride2 mg/L 2 1 0.1 0.1 0.2 0.1 0.2 0.4 0.2 0.3 0.5 0.4 0.2 1.0 0.5 0.4 0.5 0.5 0.3 0.4 0.3 0.3 0.5 0.4 0.3 0.5 0.4 <DLR <DLR <DLR
Barium mg/L 1 2 0.1 <DLR <DLR <DLR <DLR <DLR <DLR <DLR 0.2 <DLR <DLR 0.1 <DLR <DLR <DLR <DLR <DLR <DLR <DLR 0.1 0.2 0.1 0.1 0.2 0.1 <DLR <DLR <DLR
Nitrate (as Nitrogen) mg/L 10 10 0.4 0.5 0.5 0.5 3.2 3.6 3.6 3.3 7.0 4.5 1.8 5.5 3.9 <DLR <DLR <DLR 2.6 7.6 5.1 2.9 3.8 3.3 2.9 3.8 3.3 <DLR <DLR <DLR
ORGANICS
Trichloroethylene (TCE) ug/L 5 1.7 0.5 <DLR 0.8 <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR
Tetrachloroethylene (PCE) ug/L 5 0.06 0.5 <DLR 0.8 <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR NA NA NA <DLR <DLR <DLR
DISINFECTION BY-PRODUCTS
Bromate RVWTP ug/L 10 0.1 5 <DLR 8.4 5.5
Bromate ESFP ug/L 10 0.1 5 <DLR 6.7 <DLR
Haloacetic Acids (HAA5) ug/L 60 .(0) 1.0 5.7 16.0 10.0 <DLR 21.0 8.9 <DLR 16.0 8.4 2.8 11.0 6.3 <DLR 8.6 2.7 6.0 8.8 7.8 6.7 16.0 11.8 <DLR <DLR <DLR
Trihalomethanes, Total (TTHMs) ug/L 80 .(0) 1.0 6.8 48.0 35.0 4.6 77.0 32.3 17.0 63.0 37.8 15.0 36.0 22.9 0.9 30.0 11.4 20.0 28.0 24.6 35.0 57.0 45.3 3.7 6.4 5.9
MICROBIOLOGICAL
Coliform % Positive/# of Positives % 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0
RADIOLOGICAL
Alpha Activity, Gross pCi/L 15 (0) 3 <DLR 3.0 <DLR <DLR <DLR <DLR NA <DLR NA 3.8 6.9 5.9 NA NA NA NA NA NA 5 11 8 NA NA NA <DLR <DLR <DLR
Beta Activity, Gross pCi/L 50* (0) 4 <DLR 3.8 <DLR <DLR 3.2 <DLR <DLR <DLR <DLR NA NA NA NA NA NA 4.5 5.7 5.1 NA NA NA <DLR <DLR <DLR
Radium 228 pCi/L --- 0.019 1 <DLR <DLR <DLR <DLR <DLR <DLR <DLR 1.0 <DLR <DLR <DLR <DLR NA NA NA NA NA NA <DLR <DLR <DLR NA NA NA <DLR <DLR <DLR
Uranium pCi/L 20 0.43 1 <DLR <DLR <DLR <DLR 2.3 <DLR NA 6.3 NA 3.8 5.1 4.5 <DLR 1.2 1.1 NA NA NA 2.4 9.3 6.7 NA NA NA <DLR <DLR <DLR
Year of Analysis 2019 2019 2018 2016-2019 2014 - 2018 2015 - 2018 2017 - 2018 2019
LEAD AND COPPER90th
PercentileNo. of Sites Sites Tested
No. of SitesAbove the AL
90thPercentile
No. of Sites Tested
No. of SitesAbove the AL
90thPercentile
No. of Sites Tested
No. of SitesAbove the AL
90thPercentile
No. of Sites Tested
No. of SitesAbove the AL
90thPercentile
No. of Sites Tested
No. of SitesAbove the AL
90thPercentile
No. of Sites Tested
No. of SitesAbove the AL
90thPercentile
No. of Sites Tested
No. of SitesAbove the AL
Copper - Consumer Taps ug/L (1300) 300 50 400 50 0 270 50 0 220 20 0 500 30 1 340 21 0 510 20 0 290 20 0
Lead - Consumer Taps ug/L (15) 0.2 5 5.6 50 1 <DLR 50 0 <DLR 20 0 12 30 2 <DLR 21 1 5.7 20 0 <DLR 20 1
Year of Analysis 2018 2019 2018 2018 2018 2017 2017
SECONDARY STANDARDSRANGE
TYPICALRANGE
TYPICALRANGE
TYPICALRANGE
TYPICALRANGE
TYPICALRANGE
TYPICALRANGE
TYPICALRANGE
TYPICALRANGE
TYPICALMIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
Chlorides3 mg/L 250/500/600 60 66 63 33 44 39 34 130 98 28 140 92 92 96 95 50 53 52 79 120 95 16.0 16.0 16.0
Color Units 15 5 <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR
Odor-Threshold TON 3 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 4 2
Sulfates3 mg/L 250/500/600 1 40 56 51 130 160 150 86 210 137 80 410 227 93 100 97 200 250 225 98 120 109 83 83 83
Turbidity NTU 5 0.1 0.1 0.2 0.1 0.1 0.2 0.2 <DLR 1.1 0.2 <DLR 0.4 <DLR <DLR 0.1 <DLR <DLR 0.2 0.1 0.2 0.2 0.2 0.3 0.5 0.4
Total Dissolved Solids3 mg/L 500/1000/1500 140 280 264 490 560 530 410 870 705 450 1100 757 440 490 467 600 750 675 630 740 673 300 300 300
Conductivity3 uS / cm 900/1600/2200 360 470 420 680 810 730 680 1400 1161 730 1700 1163 800 840 820 900 1100 1000 1000 1200 1100 410 410 410
Manganese ug/L 50 20 <DLR <DLR <DLR <DLR <DLR <DLR <DLR 38 <DLR <DLR 23 <DLR <DLR 100 37 <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR
Iron ug/L 300 10 <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR <DLR 32 11 <DLR <DLR <DLR 25 94 54 12.0 12.0 12.0
ADDITIONAL TESTS
Chromium, hexavalent (CrVI)6 ug/L 50 0.02 1 <DLR <DLR <DLR <DLR 1.3 1.3 <DLR <DLR <DLR <DLR 2.0 <DLR <DLR <DLR <DLR <DLR 1.6 1 NA <DLR NA <DLR <DLR <DLR
Year of Analysis (CrVI) 2019 2019 2017 2017 2018 2018 2018 2019
Boron4 mg/L 0.1 0.1 0.2 0.2 0.3 0.3 0.3 0.3 1.6 1.0 0.3 1.0 0.5 0.3 0.3 0.3 0.2 0.3 0.3 0.7 2.6 1.9 NA NA NA
Calcium mg/L 24 33 28 89 100 94 57 140 101 71 170 108 52 57 53 84 130 107 87 110 102 27 27 27
Magnesium mg/L 11 14 12 16 21 19 15 52 30 17 44 33 20 22 21 16 32 24 18 26 23 5 5 5
Perfluorooctanesulfonic acid (PFOS) ng/L 40 2.0 <MRL <MRL <MRL <MRL <MRL <MRL <MRL 41.0 14.7 <MRL 24.0 9.6 <MRL 5.7 2.9 <MRL 4.1 <MRL 2.2 28.0 11.7 NA NA NA
Perfluorooctanoic acid (PFOA) ng/L 10 2.0 <MRL <MRL <MRL <MRL <MRL <MRL <MRL 44.0 16.2 <MRL 45.0 13.3 <MRL <MRL <MRL <MRL 4.2 2.1 2.1 14.0 8.5 NA NA NA
Potassium mg/L 2.0 3.4 2.7 1.8 3.0 2.6 2.6 6.0 4.1 1.8 6.1 3.8 3.5 3.7 3.6 2.4 2.5 2.5 3.1 5.2 4.0 2 2 2
Sodium mg/L 48 60 54 61 72 68 62 140 110 56 150 95 79 84 81 55 86 71 78 130 113 71 71 71
Hardness as CaCO3 mg/L 100 140 120 290 330 310 210 490 375 250 600 406 210 230 220 280 460 370 290 380 350 86 86 86
pH Units 7.7 8.3 8.0 7.5 7.9 7.6 7.5 8.1 7.8 7.6 8.0 7.8 7.8 8.1 7.9 7.5 7.6 7.6 7.4 7.6 7.5 6.2 7.4 6.6
Alkalinity as CaCO3 mg/L 60 84 78 150 300 210 190 360 299 180 300 228 160 180 170 170 230 200 310 350 323 160 160 160
