kaz
Aquarium Advice Addict
Range Average Result Range Average Source of Substance
Gross Alpha Particle Activity 2003 - 2004 pCi/L 15 (0) No ND - 2.41 ND ND - 4.3 ND Erosion of natural deposits
Gross Beta Particle Activity 2004 pCi/L 50 (0) No ND - 5.0 ND
Uranium 2004 pCi/L 20 0.5 No ND - 2.05 2.05 ND - 3.0 ND Erosion of natural deposits
INORGANIC CHEMICALS Year Range Reporting
Units MCL (SMCL) PHG (MCLG) Violation Result Range Average Result Range Average Source of Substance
Arsenic 2004 ppb 50 0.004 No 2.48 Erosion of natural deposits; runoff from orchards,
glass and electronics production wastes
Barium 2004 ppm 1 (2) No 0.1 Discharges of oil drilling wastes and from metal
refineries; erosion of natural deposits
Fluoride 2004 ppm 2 1 No 0.29 0.16 - 0.21 0.18
Erosion of natural deposits; water additive that
promotes strong teeth; discharge from fertilizer and
aluminum factories
Nitrate (as Nitrate) 2004 ppm 45 45 No 8 Runoff and leaching from fertilizer use; leaching from
septic tanks and sewage; erosion of natural deposits
Nitrate (as Nitrogen) 2002 - 2004 ppm 1 1 No ND - 0.74 0.47 Runoff and leaching from fertilizer use; leaching from
septic tanks and sewage; erosion of natural deposits
Nitrite (as Nitrogen) 2004 ppm 1 1 No 0.44 Runoff and leaching from fertilizer use; leaching from
septic tanks and sewage; erosion of natural deposits
Year Range Reporting
Units MCL (SMCL) PHG (MCLG) Violation Highest Level Lowest Monthly
Percent
Highest Single
Measurement
Lowest Monthly
Percent Source of Substance
Turbidity (Surface water requiring filtration)1 2004 NTU TT n/a No 0.11 100% Soil runoff
ORGANIC CHEMICALS Year Range Reporting
Units MCL (SMCL) PHG (MCLG) Violation Result Range Average Result Range Average Source of Substance
Total Organic Carbon (TOC) 2004 ppm TT n/a No 1.7 - 2.9 2.2 Various natural and man-made sources
DISINFECTION BY-PRODUCTS Year Range Reporting
Units MCL (SMCL) PHG (MCLG) Violation Source of Substance
Total Trihalomethane (TTHM) 2004 ppb 80 n/a No By-product of drinking water chlorination
Total Haloacetic Acids (HAA5) 2004 ppb 60 n/a No By-product of drinking water chlorination
DISINFECTANT Year Range Reporting
Units MRDL MRDLG Violation Source of Substance
Chlorine 2004 ppm 4.0 (4) No Drinking water disinfectant added for treatment
Chloramine 2004 ppm 4.0 (4) No Drinking water disinfectant added for treatment
METALS Year Range Reporting
Units MCL (SMCL) PHG (MCLG) Violation Source of Substance
Copper 2002 ppm 1.3 0.17 No
Internal corrosion of household plumbing systems;
erosion of natural deposits; leaching from wood
preservatives
INORGANIC CHEMICALS Year Range Reporting
Units MCL (SMCL) PHG (MCLG) Violation Result Range Average Result Range Average Source of Substance
Alkalinity 2004 ppm n/a n/a No 150 75 - 99 90
Boron 2003 ppm NL=1 n/a No 0.15 - 0.18 0.17 140 - 150 140 Erosion of natural deposits
Calcium 2004 ppm n/a n/a No 76.8 32 - 47 41 Erosion of natural deposits
Chloride 2004 ppm (500) n/a No 59.5 76 - 104 86 Erosion of natural deposits; seawater influence
Chromium Hexavalent 2003 ppb n/a n/a No 0.3 - 0.4 0.35 Discharge from steel and pulp mills and chrome
plating; erosion of natural deposits
Color 2004 UNITS (15) n/a No 1 1 - 3 2 Naturally occurring organic matter
Hardness 2004 ppm n/a n/a No 244 142 - 206 181 Erosion of natural deposits
Magnesium 2004 ppm n/a n/a No 11.99 15 - 22 20 Erosion of natural deposits
N-Nitrosodimethylamine (NDMA) 2004 ppt n/a NL=10 No ND - 5.5 By-product of drinking water chlorination; industrial
processes
Odor 2002 - 2004 T.O.N. (3) n/a No 2 2
pH 2004 UNITS n/a n/a No 7.84 8.1 - 8.2 8.2 Inherent characteristic of water
Potassium 2004 ppm n/a n/a No 3 - 4 4
Sodium 2004 ppm n/a n/a No 47.53 75 - 94 82 Erosion of natural deposits; seawater influence
Specific Conductance 2004 mhos/cm (1600) n/a No 713 641 - 867 762 Erosion of natural deposits; seawater influence
Sulfate 2004 ppm (500) n/a No 108.5 104 - 189 145 Runoff/Leaching from natural deposits; industrial
wastes
Total Dissolved Solids 2004 ppm (1000) n/a No 396 371 - 515 445 Runoff/Leaching from natural deposits
Turbidity 2004 NTU (5) n/a No 0.1 Soil runoff
Vanadium 2004 ppb NL=50 n/a No 4.65 ND - 3.6 ND Erosion of natural deposits, manufacturing of alloys
and steel
Primary Drinking Water Standards
Other Regulated Substances
Secondary Drinking Water Standards and Unregulated Compounds
Result Range
ND - 1.99
ND - 2.9
MWD Weymouth Plant
Highest Annual Average
Average
0.32
1.5
Gross Alpha Particle Activity 2003 - 2004 pCi/L 15 (0) No ND - 2.41 ND ND - 4.3 ND Erosion of natural deposits
Gross Beta Particle Activity 2004 pCi/L 50 (0) No ND - 5.0 ND
Uranium 2004 pCi/L 20 0.5 No ND - 2.05 2.05 ND - 3.0 ND Erosion of natural deposits
INORGANIC CHEMICALS Year Range Reporting
Units MCL (SMCL) PHG (MCLG) Violation Result Range Average Result Range Average Source of Substance
Arsenic 2004 ppb 50 0.004 No 2.48 Erosion of natural deposits; runoff from orchards,
glass and electronics production wastes
Barium 2004 ppm 1 (2) No 0.1 Discharges of oil drilling wastes and from metal
refineries; erosion of natural deposits
Fluoride 2004 ppm 2 1 No 0.29 0.16 - 0.21 0.18
Erosion of natural deposits; water additive that
promotes strong teeth; discharge from fertilizer and
aluminum factories
Nitrate (as Nitrate) 2004 ppm 45 45 No 8 Runoff and leaching from fertilizer use; leaching from
septic tanks and sewage; erosion of natural deposits
Nitrate (as Nitrogen) 2002 - 2004 ppm 1 1 No ND - 0.74 0.47 Runoff and leaching from fertilizer use; leaching from
septic tanks and sewage; erosion of natural deposits
Nitrite (as Nitrogen) 2004 ppm 1 1 No 0.44 Runoff and leaching from fertilizer use; leaching from
septic tanks and sewage; erosion of natural deposits
Year Range Reporting
Units MCL (SMCL) PHG (MCLG) Violation Highest Level Lowest Monthly
Percent
Highest Single
Measurement
Lowest Monthly
Percent Source of Substance
Turbidity (Surface water requiring filtration)1 2004 NTU TT n/a No 0.11 100% Soil runoff
ORGANIC CHEMICALS Year Range Reporting
Units MCL (SMCL) PHG (MCLG) Violation Result Range Average Result Range Average Source of Substance
Total Organic Carbon (TOC) 2004 ppm TT n/a No 1.7 - 2.9 2.2 Various natural and man-made sources
DISINFECTION BY-PRODUCTS Year Range Reporting
Units MCL (SMCL) PHG (MCLG) Violation Source of Substance
Total Trihalomethane (TTHM) 2004 ppb 80 n/a No By-product of drinking water chlorination
Total Haloacetic Acids (HAA5) 2004 ppb 60 n/a No By-product of drinking water chlorination
DISINFECTANT Year Range Reporting
Units MRDL MRDLG Violation Source of Substance
Chlorine 2004 ppm 4.0 (4) No Drinking water disinfectant added for treatment
Chloramine 2004 ppm 4.0 (4) No Drinking water disinfectant added for treatment
METALS Year Range Reporting
Units MCL (SMCL) PHG (MCLG) Violation Source of Substance
Copper 2002 ppm 1.3 0.17 No
Internal corrosion of household plumbing systems;
erosion of natural deposits; leaching from wood
preservatives
INORGANIC CHEMICALS Year Range Reporting
Units MCL (SMCL) PHG (MCLG) Violation Result Range Average Result Range Average Source of Substance
Alkalinity 2004 ppm n/a n/a No 150 75 - 99 90
Boron 2003 ppm NL=1 n/a No 0.15 - 0.18 0.17 140 - 150 140 Erosion of natural deposits
Calcium 2004 ppm n/a n/a No 76.8 32 - 47 41 Erosion of natural deposits
Chloride 2004 ppm (500) n/a No 59.5 76 - 104 86 Erosion of natural deposits; seawater influence
Chromium Hexavalent 2003 ppb n/a n/a No 0.3 - 0.4 0.35 Discharge from steel and pulp mills and chrome
plating; erosion of natural deposits
Color 2004 UNITS (15) n/a No 1 1 - 3 2 Naturally occurring organic matter
Hardness 2004 ppm n/a n/a No 244 142 - 206 181 Erosion of natural deposits
Magnesium 2004 ppm n/a n/a No 11.99 15 - 22 20 Erosion of natural deposits
N-Nitrosodimethylamine (NDMA) 2004 ppt n/a NL=10 No ND - 5.5 By-product of drinking water chlorination; industrial
processes
Odor 2002 - 2004 T.O.N. (3) n/a No 2 2
pH 2004 UNITS n/a n/a No 7.84 8.1 - 8.2 8.2 Inherent characteristic of water
Potassium 2004 ppm n/a n/a No 3 - 4 4
Sodium 2004 ppm n/a n/a No 47.53 75 - 94 82 Erosion of natural deposits; seawater influence
Specific Conductance 2004 mhos/cm (1600) n/a No 713 641 - 867 762 Erosion of natural deposits; seawater influence
Sulfate 2004 ppm (500) n/a No 108.5 104 - 189 145 Runoff/Leaching from natural deposits; industrial
wastes
Total Dissolved Solids 2004 ppm (1000) n/a No 396 371 - 515 445 Runoff/Leaching from natural deposits
Turbidity 2004 NTU (5) n/a No 0.1 Soil runoff
Vanadium 2004 ppb NL=50 n/a No 4.65 ND - 3.6 ND Erosion of natural deposits, manufacturing of alloys
and steel
Primary Drinking Water Standards
Other Regulated Substances
Secondary Drinking Water Standards and Unregulated Compounds
Result Range
ND - 1.99
ND - 2.9
MWD Weymouth Plant
Highest Annual Average
Average
0.32
1.5