2000 Water Quality Monitoring Program Summary

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Shoremont WTP Brockport WTP Purchased Water
Parameter  
 		 Lake Ontario Lake Ontario Hemlock Lake
  EPA/NYS MCL
EPA/NYS MCGL
 UNITS
Average
 Range
Samples in 2000
Average Range
Samples in 2000
Average
 Range Samples in 2000
Inorganics, Metals, Physical Parameters  
 
 
        
 
 
    
Aluminum
NS
NS
 ug/L
76
 52-115 4 
110
 50-265
4 
40
 ND-60
4 
Antimony
6
6
 ug/L
Not Detected
   4 
Not Detected
  
4 
Not Detected
  
4 
Arsenic
50
NS
 ug/L
Not Detected 
    4 
Not Detected
 ND-1.2
4 
Not Detected 
4 
Barium
2
2
 mg/L
0.02 
 0.017 - 0.022 4 
0.022
 0.020-.022
4 
0.017 
 0.016-0.017
4 
Beryllium
4
4
 ug/L
Not Detected
   4 
Not Detected
  
4 
Not Detected
  
4 
Bromide NS
NS
 mg/L
Not Detected
4
Not Detected
ND- 0.09 4
Not Detected
ND -0.04 4
Cadmium
5
5
 ug/L
Not Detected
   4 
Not Detected
  
4 
Not Detected
  
4 
Calcium
NS
NS
 mg/L
36
 34-37 4 
36
 35-37
4
26
 26-27
4
Chromium
100
100
 ug/L
Not Detected
   4 
4
 ND-7
4 
2.8
 ND-4.7
4 
Copper 
(Distribution System)
NS
NS
 mg/L
Not Detected
 4 
Not Detected
  
4 
0.004
 ND-0.009
4
Copper (Customer Tap Samples)
AL*=1.3 
1.3
mg/L
0.05 
 ND-0.14 32
0.08 
 ND-0.23
8^(1997) 
0.15
 ND-0.78
18
Cyanide
200
200
ug/l
Not Detected
   4 
Not Detected
  
4 
Not Detected
  
4 
Fluoride
2.2
NA
 mg/L
0.98
 0.2 -1.31 2065
0.97
 0.2- 1.44
2123 
0.89 
 0.66-1.18
1095
Iron
300
NA
 ug/L
Not Detected 
 4 
Not Detected
  
4 
Not Detected
4 
Lead 
(Distribution System)
NS
NS
 ug/L
Not Detected
 4 
Not Detected
  
4 
Not Detected
  
4 
Lead (Customer Tap Samples)
AL*15
0
 ug/L
2
 ND-26 32
0.6
 ND-4
8^(1997)
5 
 ND-33
18
Magnesium
NS
NS
 mg/L
8.8 
 8.4-9.3 4 
8.9 
 8.6 -9.1
4 
6
 5.6-6.4
4 
Manganese
300
NA
 ug/L
Not Detected
 4 
Not Detected
4 
2.6
 ND-7.6
4 
Mercury
2
2
ug/L
Not Detected
   4 
Not Detected
  
4 
Not Detected
  
4 
Nickel
100
NS
 ug/L
Not Detected
   4 
Not Detected
  
4 
Not Detected
  
4 
Nitrate
10
NA
 mg/L
0.34
 0.25 -0.41 4 
0.32
 0.16 - 0.43
4 
Not Detected
 ND -0.12
4 
Nitrite
1
1
mg/L
Not Detected
   4 
Not Detected
  
4 
Not Detected
  
4 
Ammonia Nitrogen NS NS mg/L Not Detected   4
Not Detected
  4
Not Detected
  4
Potassium NS NS mg/L
1.6
  1
Not required
  0
1.3
  1
Selenium
50
50
mg/L
Not Detected
   4 
Not Detected
  
4 
Not Detected
  
4 
Silver

100

NA
 ug/L
Not Detected
   4 
Not Detected
  
4 
Not Detected
  
4 
Sodium
NS
NS
 mg/L
12
   1 
12
  
1 
16
  
4
Sulfate
250
NA
 mg/L
28
 27-29 4 
26 
 24 - 29
4 
17
 17-19
4 
Thallium
2
0.5
 ug/L
Not Detected
   4 
Not Detected
  
3 
Not Detected
  
4 
Vanadium NS
NS
 ug/L
Not Detected
  2
Not Detected
  1
Not Required
  0
Zinc
5
NA
 mg/L
Not Detected
 4 
Not Detected
  
4 
Not Detected
4 
Alkalinity
NS
NS
 mg/L
83
 77 - 88 19
85
 75 -98
20
63
 61-65
4
Chlorides
250
NA
 mg/L
22
 22-23 4 
24 
 23 -25
4 
25 
 24-25
4 
Color
15
NA
 Color Units
Not Detected
 ND -3  4 
Not Detected
 ND -3  
4 
3
 ND -5 
4 
Conductivity
NS
NS
 umhos/cm 300 250 -340 21 
310
 250 -370
21
250
 220 -260
12
pH
NS
NS
 pH units 7.6 7.1-7.8 366 
7.4
 7.0- 7.9
366 
7.7 
 7.2- 8.2
366 
Total Dissolved Solids
NS
NS
 mg/L 160 130-190 4 
160
 140 -180
4 
150
 120-170
4 
Total Hardness
NS
NS
 mg/L 125 123-131 4
126
 123 -130
4
90
 89 -94
4 
Total Organic Carbon
NS
NS
 mg-L 1.6 1.4 -2.0 4 
1.7
 1.5 -2.0
4 
2.2
 2.1-2.6
4 
Turbidity - Entry Point
TT**
NA
 NTUs 0.09 0.04-0.30 2105 
0.03
 0.001-0.19
2162 
0.10 
 0.06-0.24
8760
Turbidity - Distribution System
TT***
NA
 NTUs 0.14 0.05-3.9 1442
0.21 
 0.07 -0.89
87
0.017
 0.05-2.0
1309 
Chlorine Residual - Entry Point
NS
NS
 mg/L 1.17  0.55 -1.7 8784
1.25
 0.9-1.58
366
0.87 
 0.4-1.6
8784 
Chlorine Residual - Retail Dist.System
TT****
NA
 mg/L 0.8 0-1.8 1453 
0.74
 0.12-1.18
88 
0.7
 0-2.9
1317
Cryptosporidium & Giardia
NS 
NS
 #/100L Not Detected   6 
Not Detected 
  
12 
Not Detected
4 
Asbestos (Distribution System)
7
7
 MFL Not Detected 1^(1998)
Not Required
1 
Not Detected
1^(1998)
Radionuclides
Gross Alpha
15
0
 pC/L Not Detected 4 
Not Detected
4 
Not Detected
1^(1997)
Gross Beta
50
0
 pC/L Not Detected 4 
Not Detected
4 
Not Detected
1^(1997)
Tritium
NS
NS
 pC/L Not Detected 4 
Not Detected
4 
NT
Volatile Organics
 
           
 
Benzene
5
0
 ug/L

Not Detected

 

Not Detected

Not Detected

Not Detected

Not Detected

4 

Not Detected

 

Not Detected

Not Detected

Not Detected

Not Detected

 
4 
 Not Detected



  Not Detected

Not Detected

Not Detected

Not Detected

4 
Bromobenzene
5
NA
 ug/L 4 
4 
4 
Bromochloromethane
5
NA
 ug/L 4 
4 
4 
Bromomethane
5
NA
 ug/L 4 
4 
4 
2-Butanone (MEK)
50
NA
 ug/L 3 
3 
3 
n-Butylbenzene
5
NA
 ug/L 4 
4 
4 
sec-Butylbenzene
5
NA
 ug/L 4 
4 
4 
tert-Butylbenzene
5
NA
 ug/L 4 
4 
4 
Carbon Tetrachloride
5
0
ug/L 4 
4 
4 
Chlorobenzene
5
NA
 ug/L 4 
4 
4 
Chloroethane
5
NA
 ug/L 4 
4 
4 
Chloromethane
5
NA
 ug/L 4 
4 
4 
2-Chlorotoluene
5
NA
 ug/L 4 
4 
4 
4-Chlorotoluene
5
NA
 ug/L 4 
4 
4 
dibromomethane
5
NA
 ug/L 4 
4 
4 
1,2-Dichlorobenzene
5
NA
 ug/L 4 
4 
4 
1,3-Dichlorobenzene
5
NA
 ug/L 4 
4 
4 
1,4-Dichlorobenzene
5
NA
 ug/L 4 
4 
4 
Dichlorodifluoromethane
5
NA
 ug/L 4 
4 
4 
1,1 Dichloroethane
5
NA
 ug/L 4 
4 
4 
1,2-Dichloroethane
5
0
 ug/L 4 
4