| Santa
Clara Valley Water District System # 4310027 |
| Report
for: Penitencia, Rinconada, Santa Teresa Water Treatment Plants |
| Start:
10/1/00 End: 10/31/00 |
|
|
Primary
Standards - Mandatory Health-Related Standards |
|
PWTP |
PWTP |
RWTP |
RWTP |
STWTP |
STWTP |
|
Units |
MCL |
DLR |
Influent |
Treated |
Influent |
Treated |
Influent |
Treated |
| Aluminum (Al) |
mg/L |
1 |
0.05 |
NT |
NT |
0.10 |
ND |
0.09 |
0.05 |
| Antimony (Sb) |
mg/L |
0.006 |
0.006 |
NT |
NT |
ND |
ND |
ND |
ND |
| Arsenic (As) |
mg/L |
0.05 |
0.002 |
NT |
NT |
0.003 |
ND |
0.003 |
ND |
| Asbestos |
MFL |
7
MFL |
0.2 |
NT |
NT |
NT |
NT |
NT |
NT |
| Barium (Ba) |
mg/L |
1 |
0.1 |
NT |
NT |
ND |
ND |
ND |
ND |
| Beryllium (Be) |
mg/L |
0.004 |
0.001 |
NT |
NT |
ND |
ND |
ND |
ND |
| Cadmium (Cd) |
mg/L |
0.005 |
0.001 |
NT |
NT |
ND |
ND |
ND |
ND |
| Chromium (Cr) |
mg/L |
0.05 |
0.01 |
NT |
NT |
ND |
ND |
ND |
ND |
| Cyanide (CN) |
mg/L |
0.2 |
0.1 |
NT |
NT |
NT |
NT |
NT |
NT |
| Fluoride (F) |
mg/L |
2 |
0.1 |
NT |
NT |
0.1 |
0.1 |
0.1 |
0.1 |
| Lead (Pb) |
mg/L |
NS |
0.005 |
NT |
NT |
ND |
ND |
ND |
ND |
| Mercury (Hg) |
mg/L |
0.002 |
0.001 |
NT |
NT |
ND |
ND |
ND |
ND |
| Nickel (Ni) |
mg/L |
0.1 |
0.01 |
NT |
NT |
ND |
ND |
ND |
ND |
| Nitrate (as NO3) |
mg/L |
45 |
2 |
NT |
NT |
ND |
ND |
ND |
ND |
| Nitrite (as N) |
mg/L |
1 |
0.4 |
NT |
NT |
ND |
ND |
ND |
ND |
| Selenium (Se) |
mg/L |
0.05 |
0.005 |
NT |
NT |
ND |
ND |
ND |
ND |
| Thallium (Tl) |
mg/L |
0.002 |
0.001 |
NT |
NT |
ND |
ND |
ND |
ND |
| Bromodichloromethane |
mg/L |
NS |
0.0005 |
NT |
NT |
ND |
0.0140 |
NT |
0.0220 |
| Bromoform |
mg/L |
NS |
0.0005 |
NT |
NT |
ND |
0.0040 |
NT |
0.0020 |
| Chloroform |
mg/L |
NS |
0.0005 |
NT |
NT |
ND |
0.0090 |
NT |
0.0180 |
| Dibromochloromethane |
mg/L |
NS |
0.0005 |
NT |
NT |
ND |
0.0160 |
NT |
0.0170 |
| Total Trihalomethanes |
mg/L |
0.1 |
0.0005 |
NT |
NT |
ND |
0.0430 |
NT |
0.0590 |
| Heterotrophic
Plate Count |
CFU/ml |
<500 |
|
NT |
NT |
5770 |
3 |
694 |
6 |
|
Secondary
Standards - Aesthetic Standards |
|
PWTP |
PWTP |
RWTP |
RWTP |
STWTP |
STWTP |
|
Units |
MCL |
DLR |
Influent |
Treated |
Influent |
Treated |
Influent |
Treated |
| Apparent Color |
Color
Units |
15 |
|
NT |
NT |
32 |
<2.5 |
27 |
<2.5 |
| Chloride (Cl) |
mg/L |
250-500-600 |
|
NT |
NT |
47 |
49 |
46 |
48 |
| Conductivity |
umhos/cm |
900-1600-2200 |
|
NT |
NT |
416 |
455 |
382 |
398 |
| Copper (Cu) |
mg/L |
1 |
0.05 |
NT |
NT |
ND |
ND |
ND |
ND |
| Foaming Agents
(MBAS) |
mg/L |
0.5 |
|
NT |
NT |
NT |
NT |
NT |
NT |
| Iron (Fe) |
mg/L |
0.3 |
0.1 |
NT |
NT |
0.3 |
ND |
0.3 |
ND |
| Manganese (Mn) |
mg/L |
0.05 |
0.02 |
NT |
NT |
ND |
ND |
0.03 |
ND |
| pH (Units) |
pH
units |
6.5-8.5 |
|
NT |
NT |
7.9 |
7.6 |
7.6 |
7.5 |
| Silver (Ag) |
mg/L |
0.1 |
0.01 |
NT |
NT |
ND |
ND |
ND |
ND |
| Sulfate (as SO4) |
mg/L |
250-500-1500 |
0.5 |
NT |
NT |
35.5 |
56.4 |
36.4 |
44.8 |
| Total Dissolved
Solids |
mg/L |
500-1000-1500 |
|
NT |
NT |
236 |
263 |
244 |
239 |
| Turbidity |
NTU |
5.0 |
|
NT |
NT |
4.27 |
0.06 |
2.45 |
0.05 |
| Zinc (Zn) |
mg/L |
5 |
0.05 |
NT |
NT |
ND |
0.40 |
ND |
0.32 |
|
Additional
Constituents Analyzed |
|
PWTP |
PWTP |
RWTP |
RWTP |
STWTP |
STWTP |
|
Units |
MCL |
DLR |
Influent |
Treated |
Influent |
Treated |
Influent |
Treated |
| Total Alkalinity |
mg/L |
NS |
|
NT |
NT |
111 |
106 |
96 |
95 |
| Ammonia Nitrogen
(NH3) |
mg/L |
NS |
|
NT |
NT |
ND |
0.10 |
ND |
0.12 |
| Bromide (Br) |
mg/L |
NS |
|
NT |
NT |
0.10 |
ND |
0.11 |
ND |
| Calcium (Ca) |
mg/L |
NS |
|
NT |
NT |
24 |
24 |
21 |
21 |
| Chlorate (ClO3) |
mg/L |
NS |
|
NT |
NT |
NT |
0.2 |
NT |
0.1 |
| Hardness (as CaCO3) |
mg/L |
NS |
|
NT |
NT |
130 |
129 |
114 |
115 |
| Magnesium (Mg) |
mg/L |
NS |
|
NT |
NT |
16 |
16 |
13 |
13 |
| Phosphate (PO4) |
mg/L |
NS |
|
NT |
NT |
0.14 |
0.81 |
0.17 |
0.79 |
| Potassium (K) |
mg/L |
NS |
|
NT |
NT |
2.1 |
2.0 |
2.0 |
2.0 |
| Sodium (Na) |
mg/L |
NS |
|
NT |
NT |
33 |
43 |
37 |
41 |
| Temperature |
Degrees
C |
NS |
|
NT |
NT |
19 |
20 |
19 |
20 |
| Total Organic
Carbon |
mg/L |
NS |
|
NT |
NT |
3.27 |
2.47 |
3.18 |
2.53 |
| UV-254 |
ABS |
NS |
|
NT |
NT |
0.086 |
0.031 |
0.087 |
0.039 |
| MCL = Maximum
Contaminant Level |
mg/L = milligrams
per liter |
ND = Not Detected |
| DLR = Detection
Limit for Reporting |
MFL = million
fibers per liter |
NT = Not Tested |
| PWTP = Penitencia
Water Treatment Plant |
CFU/ml = coliform
forming units per milliliter |
NS = No Standard |
| RWTP = Rinconada
Water Treatment Plant |
umhos/cm = microhms
per centimeter |
| STWTP = Santa
Teresa Water Treatment Plant |
NTU = nephelometric
turbidity units |
Water District Laboratory Contact:
Jim Scott (408) 265-2607, extension 2119, or
jimscott@scvwd.dst.ca.us
|