HomeMy WebLinkAbout~Master - Establishing Pretreatment Local Limits ORDINANCE NO. 4335
AN ORDINANCE TO AMEND THE MUNICIPAL CODE OF THE CITY OF
AMES,IOWA,BY ENACTING A NEW SECTION 28.309 THEREOF,FOR
THE PURPOSE OF ESTABLISHING PRETREATMENT LOCAL LIMITS;
REPEALING ANY AND ALL ORDINANCES OR PARTS OF
ORDINANCES IN CONFLICT TO THE EXTENT OF SUCH CONFLICT;
AND ESTABLISHING AN EFFECTIVE DATE.
BE IT ENACTED,by the City Council for the City of Ames, Iowa,that:
Section One. The Municipal Code of the City of Ames,Iowa shall be and the same is hereby amended by
enacting a new Section 28.309 as follows:
"28.309.Pretreatment Local Limits Established.
Pollutant Local Limit(mg/L)
Arsenic 0.02
Acetone 14.9
Benzene 0.05
BTEX 0.75
Cadmium 0.04
Total Chromium 0.93
Copper 0.57
Cyanide 0.88
Lead 0.89
Mercury 0.01
Molybdenum 0.29
Nickel - 11.0
Phenol 2.6
Total Petroleum Hydrocarbons 10.0
Selenium 0.09
Silver 0.05
Sulfide 2.0
Zinc 4.3
Oil&Grease 300
cBOD, 1,800
Chemical Oxygen Demand 2,700
Total Suspended Solids 1,600
Ammonia 225
Total Kjeldahl Nitrogen 280
pH 6.0-10.0 Standard Units"
Section Two. All ordinances,or parts of ordinances, in conflict herewith are hereby repealed to the extent
of such conflict, if any.
Section Three. This ordinance shall be in full force and effect from and after its passage and publication as
required by law.
Passed this 27" day of February , 2018
Diane R.Voss, City Clerk John A.Haila,Mayor