Region 1: EPA New England
Connecticut - Chemistry
| Stream | Station | Sample Date | Analyte | Result | Units |
|---|---|---|---|---|---|
| Mill Brook | 35.4 | 10/23/01 | Alkalinity (mg/L CaCO3) | 110 | mg/L |
| Mill Brook | 35.4 | 10/23/01 | Aluminum | ND | ug/L |
| Mill Brook | 35.4 | 10/23/01 | Ammonium as Ammonia | ND | mg/L |
| Mill Brook | 35.4 | 10/23/01 | Antimony | ND | ug/L |
| Mill Brook | 35.4 | 10/23/01 | Arsenic | ND | ug/L |
| Mill Brook | 35.4 | 10/23/01 | Barium | 14 | ug/L |
| Mill Brook | 35.4 | 10/23/01 | Beryllium | ND | ug/L |
| Mill Brook | 35.4 | 10/23/01 | Bromide | ND | mg/L |
| Mill Brook | 35.4 | 10/23/01 | Cadmium | ND | ug/L |
| Mill Brook | 35.4 | 10/23/01 | Calcium | 12 | mg/L |
| Mill Brook | 35.4 | 10/23/01 | Calcium (Total) | 32.4 | mg/L |
| Mill Brook | 35.4 | 10/23/01 | Chloride | 7.42 | mg/L |
| Mill Brook | 35.4 | 10/23/01 | Chromium | ND | ug/L |
| Mill Brook | 35.4 | 10/23/01 | Cobalt | ND | ug/L |
| Mill Brook | 35.4 | 10/23/01 | Copper | 0.99 | ug/L |
| Mill Brook | 35.4 | 10/23/01 | Fluoride | ND | mg/L |
| Mill Brook | 35.4 | 10/23/01 | Hardness | 136 | mg/L |
| Mill Brook | 35.4 | 10/23/01 | Iron | ND | ug/L |
| Mill Brook | 35.4 | 10/23/01 | Lead | ND | ug/L |
| Mill Brook | 35.4 | 10/23/01 | Lithium | ND | mg/L |
| Mill Brook | 35.4 | 10/23/01 | Magnesium (Total) | 13.5 | mg/L |
| Mill Brook | 35.4 | 10/23/01 | Magnesium | 4.2 | mg/L |
| Mill Brook | 35.4 | 10/23/01 | Manganese | 6.6 | ug/L |
| Mill Brook | 35.4 | 10/23/01 | Mercury, Total | 1.5 | ng/L |
| Mill Brook | 35.4 | 10/23/01 | Molybdenum | ND | ug/L |
| Mill Brook | 35.4 | 10/23/01 | Nickel | 0.81 | ug/L |
| Mill Brook | 35.4 | 10/23/01 | Nitrate/Nitrate as N | ND | mg/L |
| Mill Brook | 35.4 | 10/23/01 | Nitrogen, Ammonia | ND | mg/L |
| Mill Brook | 35.4 | 10/23/01 | Nitrogen, Total Kjeldhal | 0.41 | mg/L |
| Mill Brook | 35.4 | 10/23/01 | Ortho-Phosphate | 12 | ug/L |
| Mill Brook | 35.4 | 10/23/01 | Phosphorus, Total | 0.03 | mg/L |
| Mill Brook | 35.4 | 10/23/01 | Potassium | 2.43 | mg/L |
| Mill Brook | 35.4 | 10/23/01 | Selenium | ND | ug/L |
| Mill Brook | 35.4 | 10/23/01 | Silver | ND | ug/L |
| Mill Brook | 35.4 | 10/23/01 | Sodium | 4.47 | mg/L |
| Mill Brook | 35.4 | 10/23/01 | Sulfate | 15.4 | mg/L |
| Mill Brook | 35.4 | 10/23/01 | TDS | 150 | mg/L |
| Mill Brook | 35.4 | 10/23/01 | Thallium | ND | ug/L |
| Mill Brook | 35.4 | 10/23/01 | TOC | 4.7 | mg/L |
| Mill Brook | 35.4 | 10/23/01 | TSS | ND | mg/L |
| Mill Brook | 35.4 | 10/23/01 | Vanadium | ND | ug/L |
| Mill Brook | 35.4 | 10/23/01 | Zinc | ND | ug/L |
| Mill Brook | 35.4-D | 10/23/01 | Alkalinity (mg/L CaCO3) | 110 | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | Aluminum | ND | ug/L |
| Mill Brook | 35.4-D | 10/23/01 | Ammonium as Ammonia | ND | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | Antimony | ND | ug/L |
| Mill Brook | 35.4-D | 10/23/01 | Arsenic | ND | ug/L |
| Mill Brook | 35.4-D | 10/23/01 | Barium | 22 | ug/L |
| Mill Brook | 35.4-D | 10/23/01 | Beryllium | ND | ug/L |
| Mill Brook | 35.4-D | 10/23/01 | Bromide | ND | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | Cadmium | ND | ug/L |
| Mill Brook | 35.4-D | 10/23/01 | Calcium (Total) | 32.4 | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | Calcium | 30 | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | Chloride | 7.42 | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | Chromium | 1.8 | ug/L |
| Mill Brook | 35.4-D | 10/23/01 | Cobalt | ND | ug/L |
| Mill Brook | 35.4-D | 10/23/01 | Copper | 0.54 | ug/L |
| Mill Brook | 35.4-D | 10/23/01 | Fluoride | ND | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | Hardness | 137 | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | Iron | ND | ug/L |
| Mill Brook | 35.4-D | 10/23/01 | Lead | ND | ug/L |
| Mill Brook | 35.4-D | 10/23/01 | Lithium | ND | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | Magnesium (Total) | 13.6 | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | Magnesium | 12 | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | Manganese | 3.9 | ug/L |
| Mill Brook | 35.4-D | 10/23/01 | Mercury, Total | 1.2 | ng/L |
| Mill Brook | 35.4-D | 10/23/01 | Molybdenum | 0.65 | ug/L |
| Mill Brook | 35.4-D | 10/23/01 | Nickel | 1.6 | ug/L |
| Mill Brook | 35.4-D | 10/23/01 | Nitrate/Nitrate as N | ND | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | Nitrogen, Ammonia | ND | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | Nitrogen, Total Kjeldhal | 0.54 | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | Ortho-Phosphate | 13.4 | ug/L |
| Mill Brook | 35.4-D | 10/23/01 | Phosphorus, Total | 0.03 | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | Potassium | 2.43 | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | Selenium | ND | ug/L |
| Mill Brook | 35.4-D | 10/23/01 | Silver | ND | ug/L |
| Mill Brook | 35.4-D | 10/23/01 | Sodium | 4.48 | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | Sulfate | 15.5 | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | TDS | 160 | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | Thallium | ND | ug/L |
| Mill Brook | 35.4-D | 10/23/01 | TOC | 4.8 | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | TSS | ND | mg/L |
| Mill Brook | 35.4-D | 10/23/01 | Vanadium | 0.64 | ug/L |
| Mill Brook | 35.4-D | 10/23/01 | Zinc | ND | ug/L |
| Pease Brook | 41.4 | 10/22/01 | Alkalinity (mg/L CaCO3) | 29.0 | mg/L |
| Pease Brook | 41.4 | 10/22/01 | Aluminum | ND | ug/L |
| Pease Brook | 41.4 | 10/22/01 | Ammonium as Ammonia | ND | mg/L |
| Pease Brook | 41.4 | 10/22/01 | Antimony | ND | ug/L |
| Pease Brook | 41.4 | 10/22/01 | Arsenic | ND | ug/L |
| Pease Brook | 41.4 | 10/22/01 | Barium | 22 | ug/L |
| Pease Brook | 41.4 | 10/22/01 | Beryllium | ND | ug/L |
| Pease Brook | 41.4 | 10/22/01 | Bromide | ND | mg/L |
| Pease Brook | 41.4 | 10/22/01 | Cadmium | ND | ug/L |
| Pease Brook | 41.4 | 10/22/01 | Calcium | 30 | mg/L |
| Pease Brook | 41.4 | 10/22/01 | Calcium (Total) | 13.9 | mg/L |
| Pease Brook | 41.4 | 10/22/01 | Chloride | 31.6 | mg/L |
| Pease Brook | 41.4 | 10/22/01 | Chromium | 1.8 | ug/L |
| Pease Brook | 41.4 | 10/22/01 | Cobalt | ND | ug/L |
| Pease Brook | 41.4 | 10/22/01 | Copper | 1.1 | ug/L |
| Pease Brook | 41.4 | 10/22/01 | Fluoride | ND | mg/L |
| Pease Brook | 41.4 | 10/22/01 | Hardness | 53.4 | mg/L |
| Pease Brook | 41.4 | 10/22/01 | Iron | ND | ug/L |
| Pease Brook | 41.4 | 10/22/01 | Lead | ND | ug/L |
| Pease Brook | 41.4 | 10/22/01 | Lithium | ND | mg/L |
| Pease Brook | 41.4 | 10/22/01 | Magnesium | 12 | mg/L |
| Pease Brook | 41.4 | 10/22/01 | Magnesium (Total) | 4.54 | mg/L |
| Pease Brook | 41.4 | 10/22/01 | Manganese | 4.3 | ug/L |
| Pease Brook | 41.4 | 10/22/01 | Mercury, Total | ND | ng/L |
| Pease Brook | 41.4 | 10/22/01 | Molybdenum | 0.65 | ug/L |
| Pease Brook | 41.4 | 10/22/01 | Nickel | 1.6 | ug/L |
| Pease Brook | 41.4 | 10/22/01 | Nitrate/Nitrate as N | 0.11 | mg/L |
| Pease Brook | 41.4 | 10/22/01 | Nitrogen, Ammonia | ND | mg/L |
| Pease Brook | 41.4 | 10/22/01 | Nitrogen, Total Kjeldhal | 0.44 | mg/L |
| Pease Brook | 41.4 | 10/22/01 | Ortho-Phosphate | ND | ug/L |
| Pease Brook | 41.4 | 10/22/01 | Phosphorus, Total | ND | mg/L |
| Pease Brook | 41.4 | 10/22/01 | Potassium | 2.61 | mg/L |
| Pease Brook | 41.4 | 10/22/01 | Selenium | ND | ug/L |
| Pease Brook | 41.4 | 10/22/01 | Silver | ND | ug/L |
| Pease Brook | 41.4 | 10/22/01 | Sodium | 15.7 | mg/L |
| Pease Brook | 41.4 | 10/22/01 | Sulfate | 13.1 | mg/L |
| Pease Brook | 41.4 | 10/22/01 | TDS | 110 | mg/L |
| Pease Brook | 41.4 | 10/22/01 | Thallium | ND | ug/L |
| Pease Brook | 41.4 | 10/22/01 | TOC | 2.1 | mg/L |
| Pease Brook | 41.4 | 10/22/01 | TSS | ND | mg/L |
| Pease Brook | 41.4 | 10/22/01 | Vanadium | 0.61 | ug/L |
| Pease Brook | 41.4 | 10/22/01 | Zinc | ND | ug/L |
| Saugatuck River | 39.1 | 10/24/01 | Alkalinity (mg/L CaCO3) | 78.5 | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | Aluminum | ND | ug/L |
| Saugatuck River | 39.1 | 10/24/01 | Ammonium as Ammonia | ND | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | Antimony | ND | ug/L |
| Saugatuck River | 39.1 | 10/24/01 | Arsenic | 1.4 | ug/L |
| Saugatuck River | 39.1 | 10/24/01 | Barium | 17 | ug/L |
| Saugatuck River | 39.1 | 10/24/01 | Beryllium | ND | ug/L |
| Saugatuck River | 39.1 | 10/24/01 | Bromide | ND | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | Cadmium | ND | ug/L |
| Saugatuck River | 39.1 | 10/24/01 | Calcium (Total) | 28.3 | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | Calcium | 25 | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | Chloride | 36.8 | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | Chromium | 0.80 | ug/L |
| Saugatuck River | 39.1 | 10/24/01 | Cobalt | ND | ug/L |
| Saugatuck River | 39.1 | 10/24/01 | Copper | 1.4 | ug/L |
| Saugatuck River | 39.1 | 10/24/01 | Fluoride | ND | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | Hardness | 101 | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | Iron | 58 | ug/L |
| Saugatuck River | 39.1 | 10/24/01 | Lead | ND | ug/L |
| Saugatuck River | 39.1 | 10/24/01 | Lithium | ND | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | Magnesium | 7.2 | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | Magnesium (Total) | 7.46 | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | Manganese | 11 | ug/L |
| Saugatuck River | 39.1 | 10/24/01 | Mercury, Total | 1.6 | ng/L |
| Saugatuck River | 39.1 | 10/24/01 | Molybdenum | ND | ug/L |
| Saugatuck River | 39.1 | 10/24/01 | Nickel | 1.4 | ug/L |
| Saugatuck River | 39.1 | 10/24/01 | Nitrate/Nitrate as N | ND | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | Nitrogen, Ammonia | ND | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | Nitrogen, Total Kjeldhal | 0.50 | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | Ortho-Phosphate | ND | ug/L |
| Saugatuck River | 39.1 | 10/24/01 | Phosphorus, Total | 0.02 | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | Potassium | 1.91 | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | Selenium | ND | ug/L |
| Saugatuck River | 39.1 | 10/24/01 | Silver | ND | ug/L |
| Saugatuck River | 39.1 | 10/24/01 | Sodium | 18.8 | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | Sulfate | 6.29 | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | TDS | 170 | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | Thallium | ND | ug/L |
| Saugatuck River | 39.1 | 10/24/01 | TOC | 5.9 | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | TSS | ND | mg/L |
| Saugatuck River | 39.1 | 10/24/01 | Vanadium | 0.34 | ug/L |
| Saugatuck River | 39.1 | 10/24/01 | Zinc | ND | ug/L |
| Steele Brook | 40.3 | 10/10/01 | Alkalinity (mg/L CaCO3) | 42.0 | mg/L |
| Steele Brook | 40.3 | 10/10/01 | Aluminum | 7.6 | ug/L |
| Steele Brook | 40.3 | 10/10/01 | Ammonium as Ammonia | ND | mg/L |
| Steele Brook | 40.3 | 10/10/01 | Antimony | ND | ug/L |
| Steele Brook | 40.3 | 10/10/01 | Arsenic | 0.93 | ug/L |
| Steele Brook | 40.3 | 10/10/01 | Barium | 27 | ug/L |
| Steele Brook | 40.3 | 10/10/01 | Beryllium | ND | ug/L |
| Steele Brook | 40.3 | 10/10/01 | Bromide | ND | mg/L |
| Steele Brook | 40.3 | 10/10/01 | Cadmium | ND | ug/L |
| Steele Brook | 40.3 | 10/10/01 | Calcium (Total) | 31.2 | mg/L |
| Steele Brook | 40.3 | 10/10/01 | Calcium | 27.0 | mg/L |
| Steele Brook | 40.3 | 10/10/01 | Chloride | 14.8 | mg/L |
| Steele Brook | 40.3 | 10/10/01 | Chromium | ND | ug/L |
| Steele Brook | 40.3 | 10/10/01 | Cobalt | ND | ug/L |
| Steele Brook | 40.3 | 10/10/01 | Copper | 0.81 | ug/L |
| Steele Brook | 40.3 | 10/10/01 | Fluoride | ND | mg/L |
| Steele Brook | 40.3 | 10/10/01 | Hardness | 97.3 | mg/L |
| Steele Brook | 40.3 | 10/10/01 | Iron | ND | ug/L |
| Steele Brook | 40.3 | 10/10/01 | Lead | ND | ug/L |
| Steele Brook | 40.3 | 10/10/01 | Lithium | ND | mg/L |
| Steele Brook | 40.3 | 10/10/01 | Magnesium | 4.0 | mg/L |
| Steele Brook | 40.3 | 10/10/01 | Magnesium (Total) | 4.72 | mg/L |
| Steele Brook | 40.3 | 10/10/01 | Manganese | 9.8 | ug/L |
| Steele Brook | 40.3 | 10/10/01 | Mercury, Total | 1 | ng/L |
| Steele Brook | 40.3 | 10/10/01 | Molybdenum | ND | ug/L |
| Steele Brook | 40.3 | 10/10/01 | Nickel | 1.6 | ug/L |
| Steele Brook | 40.3 | 10/10/01 | Nitrate/Nitrate as N | 1.4 | mg/L |
| Steele Brook | 40.3 | 10/10/01 | Nitrogen, Ammonia | ND | mg/L |
| Steele Brook | 40.3 | 10/10/01 | Nitrogen, Total Kjeldhal | 0.69 | mg/L |
| Steele Brook | 40.3 | 10/10/01 | Ortho-Phosphate | ND | ug/L |
| Steele Brook | 40.3 | 10/10/01 | Phosphorus, Total | 0.04 | mg/L |
| Steele Brook | 40.3 | 10/10/01 | Potassium | 6.24 | mg/L |
| Steele Brook | 40.3 | 10/10/01 | Selenium | ND | ug/L |
| Steele Brook | 40.3 | 10/10/01 | Silver | ND | ug/L |
| Steele Brook | 40.3 | 10/10/01 | Sodium | 8.18 | mg/L |
| Steele Brook | 40.3 | 10/10/01 | Sulfate | 45.8 | mg/L |
| Steele Brook | 40.3 | 10/10/01 | TDS | 140 | mg/L |
| Steele Brook | 40.3 | 10/10/01 | Thallium | ND | ug/L |
| Steele Brook | 40.3 | 10/10/01 | TOC | 4.7 | mg/L |
| Steele Brook | 40.3 | 10/10/01 | TSS | ND | mg/L |
| Steele Brook | 40.3 | 10/10/01 | Vanadium | ND | ug/L |
| Steele Brook | 40.3 | 10/10/01 | Zinc | ND | ug/L |
| Steele Brook | 40.3-D | 10/10/01 | Alkalinity (mg/L CaCO3) | 42.0 | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | Aluminum | 8.1 | ug/L |
| Steele Brook | 40.3-D | 10/10/01 | Ammonium as Ammonia | ND | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | Antimony | ND | ug/L |
| Steele Brook | 40.3-D | 10/10/01 | Arsenic | 0.94 | ug/L |
| Steele Brook | 40.3-D | 10/10/01 | Barium | 26 | ug/L |
| Steele Brook | 40.3-D | 10/10/01 | Beryllium | ND | ug/L |
| Steele Brook | 40.3-D | 10/10/01 | Bromide | ND | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | Cadmium | ND | ug/L |
| Steele Brook | 40.3-D | 10/10/01 | Calcium | 28.0 | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | Calcium (Total) | 31.2 | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | Chloride | 14.8 | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | Chromium | ND | ug/L |
| Steele Brook | 40.3-D | 10/10/01 | Cobalt | ND | ug/L |
| Steele Brook | 40.3-D | 10/10/01 | Copper | 1.1 | ug/L |
| Steele Brook | 40.3-D | 10/10/01 | Fluoride | ND | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | Hardness | 97.3 | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | Iron | ND | ug/L |
| Steele Brook | 40.3-D | 10/10/01 | Lead | ND | ug/L |
| Steele Brook | 40.3-D | 10/10/01 | Lithium | ND | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | Magnesium (Total) | 4.71 | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | Magnesium | 4.0 | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | Manganese | 9.5 | ug/L |
| Steele Brook | 40.3-D | 10/10/01 | Mercury, Total | 1 | ng/L |
| Steele Brook | 40.3-D | 10/10/01 | Molybdenum | ND | ug/L |
| Steele Brook | 40.3-D | 10/10/01 | Nickel | 1.6 | ug/L |
| Steele Brook | 40.3-D | 10/10/01 | Nitrate/Nitrate as N | 1.4 | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | Nitrogen, Ammonia | ND | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | Nitrogen, Total Kjeldhal | 0.69 | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | Ortho-Phosphate | ND | ug/L |
| Steele Brook | 40.3-D | 10/10/01 | Phosphorus, Total | 0.02 | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | Potassium | 6.23 | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | Selenium | ND | ug/L |
| Steele Brook | 40.3-D | 10/10/01 | Silver | ND | ug/L |
| Steele Brook | 40.3-D | 10/10/01 | Sodium | 8.2 | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | Sulfate | 45.7 | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | TDS | 140 | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | Thallium | ND | ug/L |
| Steele Brook | 40.3-D | 10/10/01 | TOC | 4.6 | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | TSS | ND | mg/L |
| Steele Brook | 40.3-D | 10/10/01 | Vanadium | ND | ug/L |
| Steele Brook | 40.3-D | 10/10/01 | Zinc | ND | ug/L |
| Willamantic River | 36.3 | 10/9/01 | Alkalinity (mg/L CaCO3) | 13.3 | mg/L |
| Willamantic River | 36.3 | 10/9/01 | Aluminum | 17 | ug/L |
| Willamantic River | 36.3 | 10/9/01 | Ammonium as Ammonia | ND | mg/L |
| Willamantic River | 36.3 | 10/9/01 | Antimony | ND | ug/L |
| Willamantic River | 36.3 | 10/9/01 | Arsenic | ND | ug/L |
| Willamantic River | 36.3 | 10/9/01 | Barium | 11 | ug/L |
| Willamantic River | 36.3 | 10/9/01 | Beryllium | ND | ug/L |
| Willamantic River | 36.3 | 10/9/01 | Bromide | ND | mg/L |
| Willamantic River | 36.3 | 10/9/01 | Cadmium | ND | ug/L |
| Willamantic River | 36.3 | 10/9/01 | Calcium (Total) | 6.48 | mg/L |
| Willamantic River | 36.3 | 10/9/01 | Calcium | 6.3 | mg/L |
| Willamantic River | 36.3 | 10/9/01 | Chloride | 20 | mg/L |
| Willamantic River | 36.3 | 10/9/01 | Chromium | ND | ug/L |
| Willamantic River | 36.3 | 10/9/01 | Cobalt | ND | ug/L |
| Willamantic River | 36.3 | 10/9/01 | Copper | 1.6 | ug/L |
| Willamantic River | 36.3 | 10/9/01 | Fluoride | ND | mg/L |
| Willamantic River | 36.3 | 10/9/01 | Hardness | 23.8 | mg/L |
| Willamantic River | 36.3 | 10/9/01 | Iron | 483 | ug/L |
| Willamantic River | 36.3 | 10/9/01 | Lead | 0.57 | ug/L |
| Willamantic River | 36.3 | 10/9/01 | Lithium | ND | mg/L |
| Willamantic River | 36.3 | 10/9/01 | Magnesium | 1.6 | mg/L |
| Willamantic River | 36.3 | 10/9/01 | Magnesium (Total) | 1.85 | mg/L |
| Willamantic River | 36.3 | 10/9/01 | Manganese | 44 | ug/L |
| Willamantic River | 36.3 | 10/9/01 | Mercury, Total | 2.7 | ng/L |
| Willamantic River | 36.3 | 10/9/01 | Molybdenum | ND | ug/L |
| Willamantic River | 36.3 | 10/9/01 | Nickel | 0.65 | ug/L |
| Willamantic River | 36.3 | 10/9/01 | Nitrate/Nitrate as N | 0.13 | mg/L |
| Willamantic River | 36.3 | 10/9/01 | Nitrogen, Ammonia | ND | mg/L |
| Willamantic River | 36.3 | 10/9/01 | Nitrogen, Total Kjeldhal | 0.51 | mg/L |
| Willamantic River | 36.3 | 10/9/01 | Ortho-Phosphate | ND | ug/L |
| Willamantic River | 36.3 | 10/9/01 | Phosphorus, Total | 0.01 | mg/L |
| Willamantic River | 36.3 | 10/9/01 | Potassium | 1.65 | mg/L |
| Willamantic River | 36.3 | 10/9/01 | Selenium | ND | ug/L |
| Willamantic River | 36.3 | 10/9/01 | Silver | ND | ug/L |
| Willamantic River | 36.3 | 10/9/01 | Sodium | 11.3 | mg/L |
| Willamantic River | 36.3 | 10/9/01 | Sulfate | 6.26 | mg/L |
| Willamantic River | 36.3 | 10/9/01 | TDS | 47 | mg/L |
| Willamantic River | 36.3 | 10/9/01 | Thallium | ND | ug/L |
| Willamantic River | 36.3 | 10/9/01 | TOC | 3.6 | mg/L |
| Willamantic River | 36.3 | 10/9/01 | TSS | ND | mg/L |
| Willamantic River | 36.3 | 10/9/01 | Vanadium | 0.26 | ug/L |
| Willamantic River | 36.3 | 10/9/01 | Zinc | ND | ug/L |
ND = Non Detect
Station IDs ending with 'D' denote a duplicate sample.