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Wastewater and Drainage Use Regulations

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Wastewater and Drainage Use Regulations The City of Cambridge Department of Public Works The City of Cambridge Commissioner of Public Works (“the Commissioner”) hereby adopts these Wastewater and Stormwater Drainage Use Regulations pursuant to Cambridge Municipal Code Chapter 13.16 Wastewater and Stormwater Drainage System. WASTEWATER AND STORMWATER DRAINAGE USE REGULATIONS ARTICLE I General Provisions and Definitions Section 1 - Reference to Regulations. These Regulations may be referred to as the City of Cambridge Wastewater and Stormwater Drainage Use Regulations. Section 2 - Authority. Under the authority of Chapter 436 (Section 6) of the 1977 Acts and Resolves of Massachusetts, M.G.L. c. 83, §§ 14-24, the general police powers of the City of Cambridge, the provisions of Cambridge Municipal Code Chapter 13.16 §13.16.020 and pursuant to the regulations of the federal Clean Water Act, 40 CFR 122.34, the City of Cambridge Commissioner of Public Works (“Commissioner”) has established the following Regulations governing the use of public and private Wastewater and Stormwater Drains in the City. Section 3 - Purpose. These Regulations are intended to protect the public health, safety and welfare and the environment and to ensure proper and safe operation of the City’s Sanitary Sewers, Combined Sewers and Stormwater Drains by regulating the direct and indirect discharge of Waste, stormwater and pollutants to the City’s Wastewater and Stormwater Drainage systems. These Regulations are also intended to prohibit and remove illicit connections and unauthorized discharges to the City’s Stormwater Drainage system. This includes the legal authority to carry out all inspection, surveillance and monitoring procedures necessary to comply with this Regulation. Section 4 - Severability. The provisions of these Regulations are severable. If any provision of these Regulations or any specific application to any person or circumstance is held invalid, such invalidity shall not affect other provisions or applications of these Regulations which can be given effect in the absence of the invalid provision or application. Section 5 - Applicable Regulations. Every user of the City’s Wastewater or Stormwater Drainage systems shall be subject to these Regulations, as they apply, and to any charges, rates, fees, and assessments which are or may be established by the City. Every user of the City’s Wastewater or Stormwater Drainage systems shall also be subject to applicable federal, state, and local regulations. In instances where various regulations contain different requirements, the most stringent requirements shall apply. Section 6 - Right to Amend Regulations. The City reserves the right to amend these Regulations in any manner and to establish additional limitations or requirements as are deemed necessary or appropriate. Section 7 – Federal, State, and Local Regulations. No provision of these Regulations shall be deemed to contravene or render ineffective any valid federal, state or local regulation. Section 8 – Stormwater and Wastewater Infrastructure Permit (SWIP). June 28, 2019 (rev) City of Cambridge Wastewater and Stormwater Drainage Use Regulations 1 (a) In addition to any permits that may be required by applicable federal, state or local laws or regulations, a Stormwater and Wastewater Infrastructure Permit (“SWIP”) is required by these Regulations and shall be issued by the DPW approving any work relating to the following Wastewater and Stormwater drain related activities as they apply: (i) Collection System Access (ii) Termination and Verification (cutting and capping) (iii) Stormwater Discharge (iv) Wastewater Discharge (v) FOG (Fats, Wax, Oils and Grease) (vi) Excavation (in public ways) (vii) Demolition (viii) Temporary Construction Site Dewatering (ix) Direct Connection Permit (to municipal Wastewater and/or Stormwater Drainage system) [In addition to an SWIP, a Sewer Use Discharge Permit, when required by the Massachusetts Water Resources Authority (MWRA), shall be issued jointly with the MWRA and the DPW.] (b) No discharge or operation, which affects the Wastewater or Stormwater Drainage system, shall be authorized without the appropriate valid SWIP for the discharge or operation first being obtained. (c) The DPW may refuse to issue an SWIP for any Discharge which it believes can reasonably be expected to result in significant harm to health, safety, the environment, the City’s Watewater or Stormwater Drainage system, a tributary to the City’s Wastewater or Stormwater Drainage system, or may pass through, interfere with, or otherwise be incompatible with the wastewater treatment process or sludge disposal. (d) The DPW shall enforce, pursuant to Article X of these Regulations and other applicable, federal, state or local laws and regulations, the terms and conditions of an SWIP issued under these Regulations. (e) The DPW may modify an SWIP as deemed necessary or appropriate or as required by federal, state or local laws or regulations. (f) A permittee may request reconsideration of the terms and conditions in an issuance, renewal, or modification of an SWIP issued by the DPW, and an applicant may request reconsideration of the denial of an SWIP by the DPW. [With regard to Sewer Use Discharge Permits, which are issued jointly by the DPW and the MWRA, requests for reconsideration shall be subject to the requirements of these Regulations and to the requirements and procedures of the MWRA.] (g) An SWIP shall not be assigned or transferred without prior written approval of the DPW. After approval of an SWIP assignment or transfer, the permittee shall provide a copy of the SWIP to the assignee or transferee and to the DPW. (h) These Regulations shall not be construed to require the DPW to permit itself for activities done to carry out the DPW’s responsibilities under any federal, state or local laws, regulations or June 28, 2019 (rev) City of Cambridge Wastewater and Stormwater Drainage Use Regulations 2 requirements. Requirements specific to permits required by these Regulations can be waived by the authority of the Commissioner of Public Works or his/her designee, Section 9 – Definitions - Terms which are not defined herein shall be interpreted as defined in the most recent edition of Glossary-Water and Wastewater Control Engineering, published by the Water Pollution Control Federation (WPCF) [now called the Water Environment Federation (WEF)], Washington, D.C. Throughout these Regulations, shall means mandatory, and may means permissive. The following terms shall have the following meanings: Aliquot shall mean a divisor or factor of a quantity, constituting a sample. Backwater valve also referred to as a back-flow valve, check valve or back-flow preventer shall mean a device installed in a building Drain or a building stormwater Drain to prevent the discharge from the building, or flows originating outside the building, from flowing back into the building. Bacteria treatment shall mean the introduction into the Wastewater system of microorganisms specifically bred to accelerate the natural decomposition of fats, oils and grease of animal or vegetable origin. Below grade plumbing fixture shall mean any plumbing fixture located at an elevation below the elevation of the roadway adjacent to the property to which the City’s Wastewater or Stormwater Drainage systems serving the fixture shall be considered to be liable to backflow. Biochemical Oxygen Demand or BOD shall mean the quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedures for five (5) days at (20) degrees centigrade, usually expressed as a concentration (e.g. mg/l). Best Management Practices or BMP shall mean Stormwater Management techniques that reduce pollution from stormwater runoff. Blowdown shall mean the minimum discharge of recirculated water from a heating or cooling system for the purpose of preventing the concentration of materials contained in the water from exceeding limits established by best engineering practice. Building combined sewer lateral shall mean the pipe, which connects a building Drain carrying Waste to a combined sewer or other place of disposal. The building combined sewer lateral begins 10 feet outside the inner face of the building foundation wall and extends to and includes the connection to the City,, MWRA, DCR or private Wastewater systems. Building Drain shall mean the lowest horizontal piping of a plumbing or Drainage system which extends from inside or outside the walls of a building to a point ending 10 feet (3.048 meters) outside the inner face of the building foundation wall. The building Drain conveying Waste from plumbing fixtures within the building shall discharge to a building sewer lateral or building combined sewer lateral, while the building Drain conveying stormwater and other Drainage shall discharge to a building stormwater Drain lateral. Building sewer lateral, also referred to as a house sanitary connection, or sanitary service, shall mean the pipe which connects to a building Drain conveying Waste from plumbing fixtures within a building to a City sanitary or combined sewer, a private sanitary or combined sewer, an MWRA sewer (where allowed by MWRA), or other place of disposal. The building sewer lateral begins 10 feet outside the inner face of the building foundation wall and extends to and includes the connection to the City, MWRA, DCR or private wastewater systems. Building stormwater Drain lateral shall mean the pipe, which connects a building Drain conveying stormwater to a stormwater Drain, combined sewer,
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