SITE INFORMATION AND CORRESPONDENCE_CASE 2

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.i WASTE DISCHARGE REQUIREMENTS CITY OF TRACY SAN JOAQUIN COUNTY -6- 6. The discharge shall not cause bottom deposits in the receiving waters. 7. The discharge shall not increase the turbidity of the receiving waters by more than 10% over background levels. 8. The discharge shall not alter the normal ambient pH of the receiving water more than 0.5 units. 9. The discharge shall not increase the normal ambient temperature of the receiving water more than 5°F (3'C) . 10. The discharge shall not cause floating or suspended materials in the receiving waters. 11. The discharge shall not cause a violation of any applicable water quality standard for receiving waters adopted by the Board or the State Water Resources Control Board as required by the Clean Water Act and regulations adopted thereunder. If more stringent applicable water quality standards are approved pursuant to Section 303 of the Clean Water Act, or amendments thereto, the Board will revise and modify this Order in accordance with such more stringent standards. G. Provisions: 1. Before exceeding 5.5 mgd, the Discharger shall submit a certification signed by a California registered civil engineer, certifying that the plant is capable of meeting waste discharge requirements for flows to 9.0 mgd. 2. Neither the discharge nor its treatment shall create a nuisance or pollu- tion as defined in Section 13050 of the California Water Code. 3. The Discharger shall comply with all the items of the "Standard Provisions and Reporting Requirements (NPDES)" , dated 1 August 1984, which are part of this Order. 4. The Discharger shall comply with all pretreatment requirements contained in 40 CFR Part 403 and shall be subject to enforcement actions, penalties, fines and other remedies by EPA or other appropriate parties, as provided in the Clean Water Act, as amended. The Discharger shall implement and enforce its approved Publicly-Owned Treatment Works Pretreatment Program which is hereby made an enforceable condition of these requirements. EPA may initiate enforcement action against an industrial user for noncom- pliance with applicable standards and requirements as provided in the Clean Water Act. 5. The Discharger shall enforce the requirements promulgated under Sections 307(b) , (c) , (d) , and 402(b) of the Clean Water Act. The Discharger shall cause industrial users subject to federal categorical standards to achieve compliance no later than the date specified in those requirements or, in the case of a new industrial user, upon commencement of the discharge.