Page 86 - Yucaipa Valley Water District

Workshop Memorandum No. 18-066 Page 2 of 6

Current Discharge Limitation Table

DISCHARGE LIMITATION TABLE

Categorical Limit Local Limit
Sample Point, (Location 001) 40CFR Part 433.17 (mg/L) Local Limit
Maximum Assigned Flow (PSNS) Unless Otherwise (lbs)
20,000 (mg/L) Noted

Daily Monthly
Pollutant Daily Maximum
Maximum Average

--
pH (See note 1 at the bottom of the page) -- *5.0 – 11.0 (SU) N/A

Biochemical Oxygen Demand-5 -- -- 2500
Day (BOD)
Bis(2-Ethylhexyl Phthalate) -- -- 0.013

Total Suspended Solids (TSS) -- -- 2500

Total Dissolved Solids (TDS) -- -- *106.0 lb
(See note 2 at the bottom of the page)
Ammonia-Nitrogen -- -- 50
Arsenic -- -- 1.9
Boron (B) -- -- WS Plus 1.0
Cadmium (Cd), Total 0.11 *0.07 0.1
Chromium (Cr), Total 2.77 1.71 *1.7
Copper (Cu), Total 3.38 2.07 *0.7
Cyanide (CN), Total 1.20 0.65 *0.3
-
Dissolved Sulfides (SO3 ) -- -- 0.1
Lead (Pb) Total 0.69 0.43 *0.2
Mercury (Hg) Monitor Only -- -- 0.01
Molybdenum -- -- 0.7
Nickel (Ni) 3.98 2.38 *2.3
Oil/Grease (Total) -- -- 500
Oil/Grease (Total Petroleum -- -- *100
Hydrocarbons)
Selenium (Se) Total -- -- 0.1
Silver (Ag) Total 0.43 0.24 * 0.1
Total Toxic Organics (TTO) *2.13 -- 0.58
Zinc (Zn) Total 2.61 *1.48 7.2

+
Note 1: pH equals the negative log of the hydrogen ion concentration (-log [H ]). Standard Units
Note 2: Sorenson’s TDS limit is in pounds. Please see TDS Mass Limit Determination on page 17 of the Fact Sheet.
Note 3: * Industry's permitted limits for compliance purposes.

Yucaipa Valley Water District - February 13, 2018 - Page 86 of 100