Blacklick Creek Watershed 
Site Name: KBLPH2 DEP Seq #: 437
Common Name: Penn Hills Treatment System
Lat: 40.63.69 Long: 78.96.11
In Stream:   Discharge:   Treatment System: X
Date: 1.19.06 2.22.06 3.15.06 4.20.06 5.25.06 6.21.06 7.20.06 8.24.06 9.11.06 10.30.06 12.14.06 03.29.07 04.26.07
Time: 11:10 AM 11:45 AM 11:15 AM                 11:30 AM 10:50 AM
Weather Conditions Cool, Windy, Sunny Cloudy
Air Temp °F                         Low 60's
Flow (gal/min) 50
pH 7.6 7.6 8.2 9.4 8.5 8.9 6.9 7.4 7.6 7.6 7.9 8.6[1] 8.9[2]
Alkalinity (mg/L) 104.8 89.4 94.4 82.2 88.8 131.8 133.6 164 129 80.4 88 77.8 64.4
Hot Acidity (mg/L) -52 -47.6 -70.2 -51.2 -74.4 -107.6 -103.2 -122.6 -113.2 -61.2 -46.2 -43[3] -46.2[4]
T Iron (Fe) (mg/L) 0.42 0.33 0.33 <.3 <.3 <.3 0.34 0.89 0.32 <.3 0.339 0.374 0.486
T Mn (mg/L) 1.06 0.99 1.05 0.77 1.01 0.75 11 0.83 0.75 0.36 0.698 0.739 0.857
T Aluminium (ug/L) <500 <500 <500 <500 <500 <500 <500 <500 <500 <500 <500 <500 <500
T Sulfates (mg/L) 241.5 261 325.2 328.7 256.4 267.3 268.4 314.4 268 274.1 273.6 228.4 274.4
T Sus Solids (mg/L) 8 <3 26 18 <3 18 <3 6 <3 <3 <3 12 6
H2O Temp °C   6 5.8                    
H2O Temp °F 42.8 42.44
T Acidity (mg/L)                          
Hardness (mg/L)
Ferrous Fe (mg/L) 0.27 0.67 0.11 0.21 0.11 0.1 0.44 1.33 0.4 0.17 0.15 0.07 0.05
T Phosphates (mg/L)
T Magnesium (mg/L)                          
T Calcium (mg/L)
Dissolved Oxy (mg/L)                          
Fecal Colli
Nitrates (mg/L)                          
Sp Conduct (uS/cm) 585 712 273
H Acid Load (lbs/day)               73.68          
Iron Load (lbs/day) 0.53
Mn Load (lbs/day)               0.5          
Al Load (lbs/day) <.3

[1]
Time limit for test exceeded
[2]
Time limit for test exceeded
[3]
Acidity Measured to Endpoint 8.3
[4]
Acidity Measured to Endpoint 8.3