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0730 Pretreatment RegulationsCITY OF CHUBBUCK, IDAHO ORDINANCE NO. 1,� 0 AN ORDINANCE OF THE CITY OF CHUBBUCK, IDAHO, AMENDING PORTIONS OF CHAPTER 13.20, "PRETREATMENT REGULATIONS" TO CONFORM WITH THE PROVISIONS OF THE CITY OF POCATELLO ORDINANCE WHICH WAS AMENDED TO BRING IT INTO COMPLIANCE WITH THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) PERMIT; REPEALING PRIOR CONFLICTING ORDINANCES; PROVIDING FOR THE SEVERABILITY OF THE PROVISIONS OF THIS ORDINANCE; PROVIDING THAT ALL OTHER SECTIONS OF CHAPTER 13.20 NOT AMENDED SHALL REMAIN IN EFFECT; AND PROVIDING WHEN THIS ORDINANCE IS EFFECTIVE. BE IT ORDAINED BY THE MAYOR AND COUNCIL OF THE CITY OF CHUBBUCK, IDAHO: Section 1. Intent. The City of Chubbuck is subject to the terms of the National Pollution Discharge Elimination System Permit issued to the City of Pocatello for is Waste Water Treatment Facility and adopts identical provisions of its Pretreatment Regulations to comply with said Permit. Pocatello recently adopted changes to its Pretreatment REGULATIONS and this Ordinance will bring Chubbuck's regualtions into conformity. Section 2. Revisions. The following amendments to Section 13.20.020 and 13.20.045 are hereby adopted: 13.20.020: DEFINITIONS: Unless a provision explicitly states otherwise, the following terms and phrases, as used in this ordinance, shall have the meanings hereinafter designated: MAXIMUM The maximum concentration (or loading) of a pollutant allowed to be ALLOWABLE discharged at any time, determined from the analysis of any discrete or DISCHARGE composite sample collected, independent of the industrial flow rate and LIMIT: the duration of the sampling event. MAXIMUM The total mass of a pollutant that all Industrial Users (or a sub rroou of ALLOWABLE Industrial Users as identified by the City) may discharge pursuant to the INDUSTRIAL local limits developed under 40 CFR Section 403.50). LOADING (MAIL): MAXIMUM The maximum loading of a pollutant that can be received at the POTW' ALLOWABLE headworks without causing Pass Through, Interference, interfere with HEADWORKS beneficial reuse of sludge, or cause an adverse effect on worker health POLLUTANT OF AU pollutant that is present in concentrations or mass that may reasonably_ CONCERN (POC): be expected to cause Pass Through Interference or impact another Environmental Standard evaluated in the development of local limits MEDICAL Isolation wastes, infectious agents, human blood and blood products, WASTES: pathological wastes, sharps, body parts, contaminated bedding, surgical wastes, potentially contaminated laboratory wastes, and dialysis wastes. Ordinance - Page 1 chubbuck 012014 ord pre-treatmentmiod SIGNIFICANT Except as provided in paragraph C of this part. Aa significant industrial INDUSTRIAL user is: USER: A. A user subject to categorical pretreatment standards; or B. A user that: 1. Discharges an average of twenty five thousand (25,000) GPD or more of process wastewater to the POTW (excluding sanitary, noncontact cooling, and boiler blowdown wastewater); 2. Contributes a process wastestream which makes up five percent (5%) or more of the average dry weather hydraulic or organic capacity of the POTW treatment plant; or 3. Is designated as such by the city on the basis that it has a reasonable potential for adversely affecting the POTW's operation or for violating any pretreatment standard or requirement. 4-.C. Upon a finding that a user meeting the criteria in this subsection B of this part has no reasonable potential for adversely affecting the POTW's operation or for violating any applicable pretreatment standard or requirement, the city may at any time, on its own initiative or in response to a petition received from a user and in accordance with procedures in 40 CFR 403.8(f)(6), determine that such user should not be considered a significant industrial user. 13.20.045: LOCAL LIMITS: A. i•_____`s Enumerated. The following pollutant limits are established to protect against Ppass Tthrough and Iinterference. No persoi Significant Industrial User shall discharge wastewater containing pollutant levels in excess of the following daily maximum allowable discharge limits. Pollutant Daily Maximum (mg/IL)Iallbl Arsenic 0.056 Cadmium 0.028 Chromium*otafj 3.2279 Copper 0.515 eymfide 32-.0 0.1953 Fluoride Lead Mercury 0.00067 Molybdenum 0.12 Nickel 0.426 Selenium 0.107 Silver 0.62 Zinc 1.287 Oil and grease (animal and vegetable based) 350 Ordinance - Page 2 chubbuck 012014 ord pre-treatment.wpd U Oil and grease (petroleum based) 100:6 9FT-E) (Total Toxic Organics) 2.H pH minimum (LU.) 6.09 pH maximum La.U.J 10.00 incorporated by reference. :a 1�1�11111�1/11�1QR.7�1�1r111.1.XPi.JI�A/I1T7�711�1�J.1►�1��IIf�i.�.lY\�IA�Iaa�11NIG��J�/la�Ll.1�J Ila.J1A71�.� &R. The above limits apply at the point where the wastewater is discharged to the POTW (end of pipe) pretreatment an&or prior to mixing -with dilution flows. Ali The superintendent may impose mass limitations in addition to (or in place of) the concentration - based limitations above. Where a user is subject to a Ccategorical !!pretreatment Sstandard and a local limit for a given pollutant, the more stringent limit of applicable Ppretreatment Sstandard shall apply. to the POTW that exceeds the following limits, as applicable. Pollutant Daily Maximum Limit (mg/L) Benzene (a) 0.050 BTEX (b) 0.750 i-alAll pollutants shown in the Table are total. Lb BTEX shall be measured as the sum of Benzene, Ethylbenzene, Toluene and Xylenes. Ordinance - Page 3 chubbuck 012014 ord pre-treatment.wpd u - 1 grit -11 &-if - - - :r i i . - - - - - - - - i . - - - - yi��i.�7�.ui..n���rer�Rinunt-ft jr9num*i ADMINISTRATIVE PROVISIONS Section 1. Reveal of Conflicting Ordinances. The provisions of any Ordinance of the City and any provision of the Municipal Code which are in conflict with the provisions of this Ordinance are repealed to the extent of such conflict. All other sections of Chapter 13.20 not herein amended shall remain in effect. Section 2. Severability. The sections of this ordinance are severable. The invalidity of a section shall not affect the validity of the remaining sections. Section 3. Effective Date. The rule requiring an ordinance to be read on three separate days, one of which shall be a reading in full, is dispensed with, and this Ordinance shall become effective upon its passage, approval and publication. PASSED BY THE COUNCIL AND APPROVED BY THE MAYOR OF THE CITY OF CHUBBUCK, IDAHO, this day of Cb ere,. -�, , 2014 Kevin B. England, 111or ATTEST: izA ctw -d 1u"�, X22 Richard Morgan, City -Clerk Ordinance - Page 4 chubbuck 012014 ord pre-treatment.wpd SUMMARY OF ORDINANCE NO. '730 An ordinance of the City of Chubbuck, a municipal corporation of the state of Idaho, amending portions of chapter 13.20, "Pretreatment Regulations" to conform with the provisions of the city of Pocatello ordinance which was amended to bring it into compliance with the National Pollutant Discharge Elimination System (NPDES) Permit providing for the repeal of conflicting ordinances; providing that all other provisions of Chapter 13.20 not amended shall remain in effect; providing for the severability of the provisions of this ordinance; providing when this ordinance shall be in effect. The full text of this ordinance is available at the City Clerk's Office, Chubbuck City Offices, 5160 Yellowstone, Chubbuck, ID 83202. I have reviewed the foregoing summary and believe it provides a true and correct summary of Ordinance No. 7� O and that the summary provides adequate notice to the public of the contents of this ordinance. DATED this day of , 2014. Thomas J. Holmes, City Attorney SUMMARY OF ORDINANCE NO. _- Page 1 chubbuck 012014 ord sum pretrt.wpd LAMONT JONES JACK H. ROBISON THOMAS J. HOLMES Paul Andrus City of Chubbuck P O Box 5604 Chubbuck, ID 83202 Dear Paul: LAW OFFICES JONES, CHARTERED 203 SOUTH GARFIELD P.O. BOX 967 POCATELLO, IDAHO 83204-0967 January 20, 2014 TELEPHONE: (208) 232-5911 FAX: (208) 232-5962 E-MAIL: tholmesid@gmail.com MR. HOLMES' TELEPHONE EXTENSION: 103 Enclosed is an ordinance and a summary that conforms our Chapter 13.20 with those changes Pocatello recently made to their pretreatment regulations. If this is acceptable, please have Rich put it on the Council agenda for review and adoption. Someone will need to be prepared to explain to the Council why we are doing this. Since y, Thomas J. Holmes TJH/ah chubb uck012204.13. wpd Enclosure cc Steve Smart Rich Morgan