CITY OF GRAND JUNCTION, COLORADO

 

ORDINANCE NO. 4640

 

AN ORDINANCE AMENDING SECTION 13.04.370 (d) OF THE GRAND JUNCTION MUNICIPAL CODE PERTAINING TO INDUSTRIAL PRETREATMENT REGULATIONS CONCERNING MASS-BASED LOCAL LIMITS

RECITALS:

 

The United States Environmental Protection Agency (USEPA) requires the City’s Persigo Wastewater Treatment Facility to have an Industrial Pretreatment Program to prevent certain pollutants from entering the wastewater system. The pollutants of concern are those that can interfere with the operation of the wastewater treatment process, pass through the wastewater treatment system without adequate treatment or contaminate treatment plant biosolids.

 

The City’s Wastewater and Industrial Pretreatment Regulations in Section 13.04.370 (d) of the Grand Junction Municipal Code (Code) is being amended to comply with federal Pretreatment requirements.

In compliance with the USEPA Pretreatment requirements and with USEPA approval, City staff has made the required revisions relating to Industrial Pretreatment to the Grand Junction Municipal Code and now requests that the City Council approve the proposed changes to the Code.

 

BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF GRAND JUNCTION THAT:

 

1. Section 13-04.370 (d) is hereby amended to read as follows:

 

(d)  Specific Discharge Limitations - Mass-Based Local Limits.

 

The following table shows the total Maximum Allowable Industrial Load (MAIL) in pounds per day that can be allocated to all Significant Industrial Users and other permitted Industrial Users. The City, at its sole discretion, will establish the industry specific allocation in the Industrial User’s Industrial Discharge Permit as a mass or concentration-based limit. It shall be unlawful for any Significant Industrial User or other permitted Industrial User to discharge or cause to be discharged any waste or wastewater that exceeds the allocations established by the City.

 

Pollutant

Total Maximum Allowable Industrial Load (lbs/day)

Arsenic

0.86

Cadmium

0.49

Chromium

89.92

Copper

12.28

Lead

6.57

Mercury

0.019

Nickel

9.07

Selenium

0.14

Silver

1.83

Zinc

53.4

 

 

 

Introduced on first reading this 17th day of September  , 2014.

 

Adopted on second reading this 5th day of November, 2014.

 

 

 

             /s/: Phyllis Norris

             President of the Council

 

 

ATTEST:

 

 

/s/: Stephanie Tuin

City Clerk

 

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