Parameter
|
Limit
(mg/l)
| |
---|---|---|
Aluminum (total)
|
1.2
| |
Arsenic
|
0.25
| |
Barium
|
2.0
| |
Cadmium (total)
|
0.1
| |
Chloride
|
500
| |
Chromium (hexavalent)
|
0.05
| |
Chromium (total)
|
0.25
| |
Copper (total)
|
0.4
| |
Cyanide (total)
|
0.1
| |
Fluoride
|
18.0
| |
Iron (total)
|
1.5
| |
Lead (total)
|
0.1
| |
Manganese (total)
|
2.0
| |
Mercury (total)
|
0.10
| |
Nickel (total)
|
2.0
| |
Nitrogen (total)
|
20
| |
PCB
|
0.001
| |
Phenols (total)
|
0.5
| |
Phosphorous (total)
|
50
| |
Selenium (total)
|
0.10
| |
Silver (total)
|
1.05
| |
Sodium (total)
|
500
| |
Sulfide
|
0.10
| |
Zinc (total)
|
0.6
|
Minimum Grease Trap
| ||||
---|---|---|---|---|
Design Flow
(gallons per day)
|
Septic Tank
(gallons)
|
Diameter
(feet)
|
Liquid Depth
(feet)
| |
Less than 1,000
|
1,500
| |||
1,000 to 4,000
|
8
|
5
| ||
4,000 or more
|
10
|
5
|
Average Annual Wastewater Flow
(gallons)
|
Minimum Frequency
| |
---|---|---|
0 to 100,000
|
None required
| |
100,000 to 1,000,000
|
1 per year
| |
1,000,000 to 5,000,000
|
1 per 6 months
| |
5,000,000 to 12,000,000
|
1 per 3 months
| |
Over 12,000,000 and all major contributing industries
|
1 per month
|