13.13.205 Specific pollutant limitations.
No person shall discharge wastewater containing pollutants in excess of the limitations set forth in Controlled Limited and Controlled Admissible Pollutants, Schedules 1 and 2, and as established by other EPA regulations and the POTW.
Maximum Discharge per User. No User of the POTW shall discharge wastewater containing concentrations exceeding the following limits (in the case of pH, the discharge shall be within the designated parameters):
|
BOD |
200 mg/L COD |
400 mg/L TSS |
250 mg/L |
|
Oil and Grease |
100 mg/L pH |
5.0 to 9.0 |
Surcharge Mode. Any User (other than Significant Industrial Users or Categorical Users) discharging more than the above listed concentrations of BOD, COD, TSS, and/or oil and grease in its wastewater shall be deemed to be in surcharge mode and shall pay a surcharge to the POTW. The amount of the surcharge shall be established by the POTW governing authority. Surcharge mode is an intermediate penalty for exceeding designated discharge limitations.
Maximum Cap. A User shall be in surcharge mode if the discharge exceeds the designated limit, but does not exceed the maximum cap set forth below. Any User exceeding the maximum cap shall be subject to surcharges, plus the administrative enforcement remedies set forth in Section 13.13.800 et al.
|
LOWER |
UPPER |
|
|---|---|---|
|
BOD |
200 mg/L |
10,000 mg/L |
|
COD |
400 mg/L |
20,000 mg/L |
|
TSS |
250 mg/L |
1,500 mg/L |
|
Oil and Grease |
100 mg/L |
1,200 mg/L |
*In no case shall any load be accepted which will cause interference in the collection system or Reclamation Plant. (40 CFR 403.5)
Local Limits on Metals/Chemical Pollutants. In addition to any limitations established by the CWA, the CFRs, the EPA, or the State of Utah, no Categorical User, Significant Industrial User, or PHMC shall discharge wastewater containing concentrations exceeding the following local limits:
|
Aluminum |
83.1 mg/L |
|
Arsenic |
0.11 mg/L |
|
Cadmium |
0.007 mg/L |
|
Copper |
0.89 mg/L |
|
Lead |
0.36 mg/L |
|
Mercury |
0.00015 mg/L |
|
Nickel |
2.18 mg/L |
|
Selenium |
0.090 mg/L |
|
Silver |
1.10 mg/L |
|
Zinc |
5.52 mg/L |
|
Cyanide |
0.09 mg/L |
Categorical Users, Significant Industrial Users, and or PHMC shall be subject to the administrative enforcement remedies for exceeding the above limits. The above limits were established based on the assumption that the total discharge from Categorical Users and Significant Industrial Users will not exceed one million gallons per day. If the total discharge from Categorical Users and Significant Industrial Users exceeds one million gallons per day, the above limits will be adjusted.
Categorical Users and Significant Industrial Users will also be subject to the following wastewater discharge limitations:
|
BOD |
225 mg/L TSS |
479 mg/L |
Categorical Users and Significant Industrial Users exceeding these limitations shall not be eligible to pay surcharges, but shall be subject to the administrative enforcement remedies.