CONTAMINATE
(CCR Units) |
State
MCL |
State PHG
Fed[MCLG] |
SAWCo.
Water |
Range of
detection |
Most Recent
Sample Yr. |
Violation |
Typical Source of Contaminate and Pertinent Notations |
| Microbiological |
(a) Total coliforms
(% positive) |
5 |
[0] |
<.01 |
0-2 |
2006 |
N |
|
Fecal coliforms & E. coli
(# positive) |
1 |
[0] |
0 |
0 |
2006 |
N |
Human and animal fecal waste |
| Radionuclide |
| Gross Alpha (pCi/L) |
15 |
[0] |
1.35 |
0-9.9 |
2007 |
N |
Erosion of some natural minerals |
| Radon 222 (pCi/L) |
NS |
NS |
ND |
ND |
2005 |
N |
Decay of radioactive elements
(a gas) |
| Inorganics |
| Aluminum (ppb) |
200 |
NS |
ND |
ND |
2006 |
N |
Erosion from natural deposits, surface water treatment process residual |
| Arsenic (ppb) |
50 |
NS |
ND |
ND |
2006 |
N |
Erosion of natural deposits, runoff from orchards and waste from glass and electronics production. |
| (d) Asbestos (MFL) |
7 |
[7] |
ND |
ND |
2006 |
N |
Erosion of natural deposits and asbestos cement water mains |
| Copper (ppm) |
1.3 |
0.17 |
ND |
ND |
2006 |
N |
Corrosion of water plumbing, erosion of natural deposits and leaching from wood preservatives |
| (e) Fluoride (ppm) |
2 |
.42 |
0.40 |
.38-.58 |
2007 |
N |
Erosion of natural deposits, discharge from fertilizer and aluminum factories and a additive for teeth |
| Lead (ppb) |
15 |
2 |
ND |
ND |
2006 |
N |
Corrosion of water plumbing, discharges from industries and erosion of natural deposits |
Nitrate [NO3]
(ppm) (b)&(f) |
45 |
45 |
4.79 |
2.4-29 |
2006 |
N |
Leaching from fertilizer (animal waste), septic tanks and sewage; erosion of natural deposits |
| Synthetic Organics (incl. Pesticides & Herbicides) |
| (b) Dibromochloropropane (ppm) DBCP |
2 |
1.7 |
0.1 |
0-0.1 |
2007 |
N |
Leaching of Nematocide used in soils (banned) in groves, vineyards and crop fields |
| Additional Parameters Tested |
| Bicarbonate |
NS |
NS |
196.23 |
180-270 |
2007 |
N |
Leaching from naturally-occurring materials |
| Calcium (ppm) |
NS |
NS |
62.64 |
53-88 |
2007 |
N |
Leaching from naturally-occurring materials |
| Chloride (ppb) |
500 |
NS |
4.39 |
2.4-11.0 |
2007 |
N |
Leaching from natural deposits and seawater influence |
| Hardness [CaCO3] (ppm) |
NS |
NS |
178.53 |
160-260 |
2007 |
N |
Bonding of naturally-occurring calcium and carbonate ions is solution |
| Magnesium (ppm) |
NS |
NS |
11.54 |
9.9-14 |
2007 |
N |
Leaching from naturally-occurring materials |
| Order-threshold (Units) |
3 |
NS |
1.0 |
1-1 |
2007 |
N |
Naturally-occurring organic materials |
| pH (Units) |
NS |
NS |
0.58 |
7.2-7.7 |
2007 |
N |
Naturally-occurring leachate blend from acid and base materials |
| Potassium (ppm) |
NS |
NS |
1.59 |
1.5-2.5 |
2007 |
N |
Leaching from naturally-occurring materials |
| Sodium (ppm) |
NS |
NS |
9.47 |
8.3-14 |
2007 |
N |
Leaching from naturally-occurring materials |
Specific Conductance
(micro-ohms) |
1,600 |
NS |
294.97 |
330-520 |
2007 |
N |
Substances that form ions when in water and seawater influence |
| Sulfate (ppm) |
500 |
NS |
24.55 |
24-29 |
2007 |
N |
Leaching from natural deposits and industrial wastes |
| Total Dissolved Solids (ppm) |
1,000 |
NS |
178.37 |
200-310 |
2007 |
N |
Leaching from natural deposits |
| Turbidity [groundwater] (T.U.) |
TT |
NS |
0.17 |
0.1-0.5 |
2007 |
N |
Soil runoff. This is a good indicator of water quality and the probable effectiveness of disinfectants |
| Corrosivity (Langlier Index @ 60 dergee C) |
N/A |
NS |
0.49 |
.09-.62 |
2005 |
N |
A positive number indicates the water to be non-corrossive. |
| TTHM (ppm) |
.080 |
NS |
0.01 |
0.000-0.01 |
2006 |
N |
Stage I disinfection by-product sampling. By products are formed when disinfectants used in water react with natural organic matter present in source water, forming these groups of chemicals that may be harmful to human health. Extensive research is underway to better understand potential risk to exposure. |
| HAA5 (ppm) |
.060 |
NS |
ND |
ND |
2006 |
N |
Stage I disinfection by-product sampling. By products are formed when disinfectants used in water react with natural organic matter present in source water, forming these groups of chemicals that may be harmful to human health. Extensive research is underway to better understand potential risk to exposure. |
