| Click on the tabs at the bottom of the page to view the data for different sampling points. | ||||||||||||
| L1 - Loyalhanna Creek upstream of Monastery Run, along Creekside Trail at Legion Keener Park | ||||||||||||
| Alkalinity (mg/L) | Acidity (mg/L) | pH | Tot Fe (mg/L) | Dis Fe (mg/L) | Tot Mn (mg/L) | Dis Mn (mg/L) | Tot Al (mg/L) | Dis Al (mg/L) | Ferrous (mg/L) | Sulfates (mg/L) | ||
| Jun-96 | 30.06 | 0.00 | 7.83 | 2.20 | 2.00 | -0.10 | -0.10 | 0.50 | 0.30 | 2.00 | 31.39 | |
| Jul-96 | 25.76 | 0.00 | 7.45 | 1.80 | 0.20 | 0.20 | 0.10 | 0.25 | 0.16 | 0.20 | 37.39 | |
| Aug-96 | 38.65 | 0.00 | 7.91 | 1.20 | 1.90 | 0.10 | 0.10 | 0.40 | 0.30 | 1.90 | 55.60 | |
| Sep-96 | 28.98 | 0.00 | 8.59 | 2.60 | 1.95 | 0.10 | 0.05 | 0.40 | 0.35 | 1.95 | 32.81 | |
| Oct-96 | 21.53 | 0.00 | 7.54 | 2.50 | 2.80 | 0.00 | 0.00 | 0.50 | 0.30 | 2.80 | 56.87 | |
| Nov-96 | 27.70 | 0.00 | 7.38 | 2.70 | 2.80 | 0.00 | 0.00 | 0.70 | 0.60 | 1.50 | 77.58 | |
| Dec-96 | 19.48 | 5.24 | 6.42 | 1.80 | 0.00 | 0.00 | 0.50 | 0.40 | 1.50 | 42.85 | ||
| Jan-97 | 30.76 | 0.00 | 6.59 | 1.80 | 1.50 | -0.20 | 0.10 | 0.40 | 0.40 | 1.60 | 50.65 | |
| Feb-97 | 16.40 | 3.71 | 6.74 | 1.80 | 1.60 | 0.10 | 0.10 | 0.50 | 0.30 | 0.00 | 30.94 | |
| Mar-97 | 22.95 | 21.15 | 6.86 | 0.60 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 2.60 | 39.19 | |
| Apr-97 | 27.12 | 12.67 | 7.06 | 1.30 | 0.70 | 0.00 | 0.00 | 0.10 | 0.20 | 0.70 | 47.90 | |
| May-97 | 9.39 | 22.57 | 5.92 | 0.90 | 1.20 | no data | no data | no data | no data | 1.20 | 37.08 | |
| Jun-97 | 31.30 | 0.00 | 6.54 | 0.80 | 0.00 | 0.00 | 0.20 | 0.30 | 40.90 | |||
| Jul-97 | 32.88 | 1.90 | no sample | 0.00 | 0.20 | 0.00 | 66.60 | |||||
| Aug-97 | 41.10 | 0.00 | 6.49 | 0.00 | 0.00 | 0.00 | no sample | 0.20 | no sample | 0.00 | 33.70 | |
| Sep-97 | 29.80 | 0.00 | 6.65 | 1.10 | 0.00 | 0.30 | 0.00 | 1.40 | <0.2 | 0.00 | 22.20 | |
| Oct-97 | 49.32 | 0.00 | 6.95 | 0.70 | 6.90 | 0.00 | 0.00 | <0.2 | <0.2 | |||
| Nov-97 | 21.58 | 7.88 | 6.72 | 0.70 | 1.30 | 0.00 | 0.00 | <0.16 | <0.16 | 0.00 | 32.23 | |
| Dec-97 | 21.45 | 6.51 | 6.38 | 1.80 | 0.00 | 0.00 | 0.00 | <0.16 | <0.16 | 0.00 | 30.10 | |
| Jan-98 | 37.80 | 0.00 | 6.68 | 0.00 | 0.00 | 0.00 | 0.00 | <0.16 | <0.16 | 0.00 | 8.20 | |
| Feb-98 | 37.71 | 0.00 | 6.58 | 0.00 | 0.80 | 0.24 | 0.21 | 0.33 | 0.24 | 0.00 | 21.78 | |
| Mar-98 | 24.52 | 6.22 | 6.90 | 1.40 | 0.00 | 0.14 | 0.13 | 0.20 | <0.2 | 0.00 | 32.71 | |
| Apr-98 | 16.34 | 8.58 | 7.10 | 0.00 | 1.70 | 0.05 | 0.04 | 0.47 | 0.35 | 0.00 | 22.47 | |
| May-98 | 26.78 | 3.33 | 7.35 | 1.70 | 0.00 | 0.06 | 0.03 | 0.22 | 0.21 | 0.00 | 25.10 | |
| Jun-98 | 17.14 | 8.30 | 7.11 | 0.00 | 0.60 | 0.07 | 0.03 | 0.22 | 0.25 | 0.00 | 30.34 | |
| Jul-98 | 38.56 | 6.75 | 7.80 | 0.60 | 0.00 | 0.05 | 0.05 | <0.2 | <0.2 | 0.00 | 30.48 | |
| Aug-98 | 47.12 | 0.00 | 0.30 | 0.00 | 0.08 | 0.03 | 0.29 | <0.2 | 0.00 | 35.01 | ||
| Sep-98 | 7.97 | |||||||||||
| Oct-98 | ||||||||||||
| Nov-98 | ||||||||||||
| Dec-98 | 138.69 | -46.69 | 7.35 | 0.70 | 0.50 | 0.21 | 0.21 | 1.30 | 1.20 | 8.24 | 6.84 | |
| Jan-99 | 17.46 | -4.86 | 7.36 | 2.20 | 0.30 | 0.06 | 0.06 | 0.60 | 0.40 | 1.82 | 85.61 | |
| Feb-99 | ||||||||||||
| Mar-99 | 29.68 | -12.93 | 7.71 | 7.50 | 0.20 | 0.05 | 0.05 | 0.30 | 0.10 | 0.34 | 33.97 | |
| Apr-99 | 30.87 | -22.94 | 6.89 | 0.20 | 0.10 | 0.01 | 0.05 | 0.32 | 0.29 | 0.40 | 52.09 | |
| May-99 | 18.16 | -38.58 | 7.45 | 0.20 | 0.10 | 0.06 | 0.05 | 0.08 | 0.04 | 0.23 | 5.48 | |
| Jun-99 | 66.13 | -48.26 | 7.03 | 0.30 | 0.10 | 0.11 | 0.09 | 0.00 | 0.00 | 0.13 | 35.39 | |
| Jul-99 | 55.12 | -39.09 | 7.45 | 0.50 | 0.10 | 0.09 | 0.04 | 0.78 | 0.72 | 0.94 | 134.28 | |
| Aug-99 | ||||||||||||
| Sep-99 | ||||||||||||
| Oct-99 | 32.15 | -7.40 | 6.27 | 0.30 | 0.20 | 0.00 | 0.00 | 0.39 | 0.32 | 1.06 | no data | |
| Nov-99 | 22.05 | -13.52 | 6.87 | 0.20 | 0.20 | 0.00 | 0.00 | 0.34 | 0.33 | 0.43 | 292.36 | |
| Dec-99 | 33.10 | -15.49 | 6.97 | 0.50 | 0.30 | 0.00 | 0.00 | 1.12 | 1.10 | 0.33 | 110.05 | |
| Jan-00 | no data | no data | no data | 0.00 | no data | |||||||
| Feb-00 | no data | no data | no data | 0.00 | no data | no data | ||||||
| Mar-00 | 5.20 | 1.39 | 7.55 | 0.30 | 0.90 | 0.03 | 0.03 | 0.24 | 0.19 | 3.38 | 75.84 | |
| Apr-00 | 32.93 | 7.18 | 1.10 | 0.90 | 0.02 | 0.02 | 1.06 | 43.47 | ||||
| May-00 | 26.34 | -15.15 | 7.57 | 0.09 | 0.10 | 0.00 | 41.68 | |||||
| Jun-00 | 40.82 | -26.78 | 8.32 | 0.47 | 0.40 | 0.00 | 0.00 | <.02 | <.02 | no data | 0.58 | |
| Jul-00 | 50.42 | -32.65 | 6.68 | 0.33 | 0.18 | 0.07 | 0.07 | 0.04 | <0.02 | 0.13 | 41.17 | |
| Aug-00 | 0.13 | |||||||||||
| Sep-00 | 39.00 | -40.00 | 8.41 | 0.14 | 0.10 | 0.03 | 0.03 | 0.08 | 0.06 | 0.00 | 27.87 | |
| Oct-00 | 30.00 | -26.00 | 7.40 | 0.47 | 0.42 | 0.17 | 0.17 | <0.02 | <0.02 | 0.00 | 28.04 | |
| Nov-00 | ||||||||||||
| Dec-00 | 20.00 | -21.00 | 7.23 | 0.61 | 0.37 | 0.09 | 0.04 | <0.2 | 0.03 | 0.00 | 21.00 | |
| Jan-01 | 34.00 | -29.00 | 8.33 | 0.38 | 0.30 | 0.00 | 0.07 | <0.2 | <0.2 | 0.00 | 27 | |
| Feb-01 | 34.00 | -29.00 | 7.60 | 0.54 | 0.63 | 0.07 | 0.06 | 0.44 | 0.68 | 0.00 | 37.00 | |
| Mar-01 | 25.00 | -18.00 | 7.49 | 0.00 | 0.00 | 0.10 | 0.06 | <0.2 | <0.2 | 0.00 | 31.00 | |
| Apr-01 | 29.00 | -18.00 | 7.69 | 0.88 | 2.51 | 0.05 | 0.02 | 0.32 | 0.20 | 0.00 | 36.00 | |
| May-01 | 42 | -36 | 8.15 | 0.48 | 0.39 | 0.05 | 0.03 | <0.2 | <0.2 | 0.00 | 41 | |
| Jun-01 | 27 | -23 | 7.48 | 0.59 | 0.41 | 0.11 | 0.02 | 0.26 | <0.2 | 0.00 | 19 | |
| Jul-01 | 46 | -41 | 7.78 | 0.42 | 3.33** | 0.14 | 0.08 | 0.24 | 0.30 | 0.00 | 41 | |
| Aug-01 | 46 | -42 | 7.87 | 0.40 | 0.33 | 0.04 | 0.01 | <0.2 | <0.2 | 0.00 | 47 | |
| Sep-01 | 50 | -41 | 7.84 | 0.25 | 0.28 | 0.14 | 0.04 | 0.21 | <0.2 | 0.00 | 41 | |
| Oct-01 | 66 | -58 | 7.78 | 0.28 | 0.68 | 0.01 | 0.00 | <0.2 | <0.2 | 0.05 | 67 | |
| Nov-01 | 40 | -35 | 7.39 | 0.29 | 0.10 | 0.07 | 0.01 | <0.2 | 0.00 | 28 | ||
| Dec-01 | 30 | -14 | 7.58 | 2.80 | 0.71 | 0.68 | 0.08 | 0.65 | <0.2 | 0.34 | 21 | |
| Jan-02 | 27 | -21 | 7.63 | 0.20 | 0.28 | 0.34 | 0.45 | <0.2 | <0.2 | 0.00 | 30 | |
| Feb-02 | 24 | -21 | 7.47 | 0.14 | 0.06 | 0.04 | 0.03 | <0.2 | <0.2 | 0.00 | 27 | |
| Mar-02 | 12 | -8 | 7.29 | 0.21 | 0.08 | 0.10 | 0.05 | <0.2 | <0.2 | 0.00 | 21 | |
| Apr-02 | 19 | -12 | 7.20 | 0.24 | 1.12 | 0.03 | 0.03 | <0.2 | <0.2 | 0.00 | 22 | |
| May-02 | 22 | -15 | 7.38 | 0.22 | 0.17 | 0.10 | 0.04 | <0.2 | <0.2 | 0.00 | 29 | |
| Jun-02 | 42 | -36 | 7.62 | 0.37 | 0.55 | 0.03 | 0.03 | <0.02 | <0.02 | 0.00 | 57 | |
| Jul-02 | 58 | -54 | 7.73 | 0.24 | 0.15 | 0.08 | 0.06 | <0.02 | <0.02 | |||
| Sep-02 | 68 | -68 | 7.73 | 0.54 | 0.25 | 0.09 | 0.08 | 1.12 | 1.17 | 0.00 | 142 | |
| Oct-02 | 69 | -63 | 8.20 | 0.59 | 0.17 | 0.11 | 0.03 | <0.2 | <0.2 | 0 | 77 | |
| Nov-02 | 39 | -39 | 7.41 | 0.09 | 0.46 | detected | detected | <0.04 | detected | <0.20 | 29 | |
| Dec-02 | 27 | -34 | 7.37 | 0.25 | 0.19 | 0.04 | 0.03 | 0.23 | 0.23 | <0.20 | 24 | |
| Jan-03 | 27 | -83 | 7.08 | <0.02 | <0.02 | 0.04 | 0.04 | <0.04 | <0.04 | -0.11 | 46 | |
| Feb-03 | 47 | -15.468 | 7.11 | 0.08 | 0.13 | 0.047 | 0.043 | 0.32 | 0.33 | <0.2 | 57 | |
| Mar-03 | 18 | -17 | 7.08 | 0.26 | 0.60 | 0.045 | 0.044 | 0.17 | Detected | Not Done | 22 | |
| Apr-03 | 21 | No Result | 7.05 | 0.14 | 0.19 | 0.048 | 0.048 | Detected | 0.15 | <0.2 | 27 | |
| May-03 | 34 | -19 | 8.01 | 0.12 | 0.46 | 0.026 | 0.038 | 0.24 | 0.34 | <0.2 | 7 | |
| Jun-03 | 28 | -18 | 7.11 | 0.15 | 0.08 | 0.036 | 0.031 | 0.43 | 0.49 | <0.2 | 29 | |
| Jul-03 | 45 | -39 | 7.36 | 0.44 | 0.15 | detected | <0.003 | 0.31 | <0.04 | <0.2 | 40 | |
| Aug-03 | 37 | -31 | 7.36 | 0.29 | 0.31 | 0.010 | <0.003 | 0.16 | 0.18 | <0.20 | 32 | |
| Sep-03 | 44 | -36 | 7.71 | 0.42 | 0.41 | 0.022 | <0.003 | 0.18 | 0.25 | <0.20 | 38 | |
| Oct-03 | 40 | -24 | 7.35 | 0.43 | 0.52 | 0.025 | 0.025 | 0.19 | 0.21 | <0.20 | 23 | |
| Nov-03 | 30 | -21 | 6.91 | Detected | 0.31 | 0.022 | 0.044 | Detected | 0.13 | <0.20 | 11 | |
| Dec-03 | 25 | -24 | 6.92 | <0.06 | <0.06 | 0.086 | 0.112 | 0.100 | 0.109 | <0.20 | Detected | |
| Jan-04 | 22 | -26 | 6.73 | <0.06 | <0.06 | 0.096 | 0.104 | 0.061 | 0.248 | <0.2 | 48 | |
| Feb-04 | 42 | -32 | 6.89 | <0.06 | <0.06 | 0.093 | 0.098 | Detected | 0.097 | <0.20 | 65 | |
| Mar-04 | 24 | -16 | 6.91 | <0.06 | <0.06 | 0.055 | 0.107 | Detected | Detected | <0.20 | Not Done | |
| Apr-04 | 24 | -11 | 6.89 | <0.06 | <0.06 | <0.006 | <0.006 | 0.080 | Detected | <0.20 | 30 | |
| May-04 | 30 | -16 | 6.95 | <0.06 | <0.06 | 0.071 | <0.006 | 0.687 | Detected | Detected | <0.92 | |
| Jun-04 | 27 | -19 | 6.63 | <0.06 | <0.06 | Detected | Detected | 0.071 | 0.039 | <0.2 | 23 | |
| Jul-04 | 34 | -28 | 6.69 | <0.06 | <0.06 | 0.113 | 0.056 | 0.314 | 0.067 | <0.2 | 20 | |
| Oct-04 | 39 | -46 | 6.96 | <0.06 | <0.06 | 0.16 | 0.067 | <0.04 | <0.04 | <0.2 | 151 | |
| Nov-04 | 36 | -25 | 7.11 | <0.06 | <0.06 | <0.01 | <0.01 | <0.04 | <0.04 | <0.2 | 33 | |
| Dec-04 | 20 | -27 | 6.87 | no data | no data | <0.003 | <0.003 | <0.04 | <0.04 | <0.2 | 39 | |
| Jan-05 | 26 | -18 | 6.65 | 6.98 | 6.35 | No Data | No Data | <0.04 | <0.04 | <0.2 | 47 | |
| Feb-05 | No | Sample | ||||||||||
| Mar-05 | 36 | -19 | 7.25 | <0.2 | ||||||||
| Apr-05 | No | Sample | ||||||||||
| May-05 | No | Sample | ||||||||||
| Jun-05 | 32 | 27 | 6.66 | 1.30 | ||||||||
| Jul-05 | 59 | -50 | 0.21 | |||||||||
| Aug-05 | ||||||||||||
| Sep-05 | ||||||||||||
| Oct-05 | 42 | -135 | 6.90 | 0.37 | <0.02 | 0.28 | 0.03 | <0.20 | ||||
| Nov-05 | 34 | -29 | 6.98 | 0.68 | 0.67 | 0.04 | 0.02 | <0.2 | ||||
| Dec-05 | 27 | -20 | 6.61 | 0.20 | ||||||||
| Jan-06 | ||||||||||||