(a) 
Operation of vehicle.
A person commits an offense if he or she operates or causes to be operated a vehicle for the purpose of transporting liquid waste without a permit. A person shall use a permitted vehicle for transportation of liquid waste only of the type designated on the permit for the vehicle. A person shall obtain a separate permit for each vehicle he or she operates or causes to be operated for the purpose of transporting liquid waste. A permit issued by the city excludes the hauling of hazardous wastes and is not transferable.
(b) 
Application for permit.
A person who desires to obtain a permit must make application on a form provided by the director.
(c) 
Permit application requirements.
A person who desires to obtain a permit shall submit to the director at the time of application the following:
(1) 
A photocopy of the owner and/or manager's driver's license(s);
(2) 
Name(s) and title(s) of the individual(s) representing the business or corporation who have legal responsibility for ensuring compliance with federal, state, and local laws;
(3) 
Business address and phone number of the legally responsible individual(s);
(4) 
Home address and phone number of the legally responsible individual(s);
(5) 
A certified statement that the above named individual(s) is/are responsible for ensuring compliance with all applicable laws;
(6) 
A recent color photograph of the legally responsible individual(s); and
(7) 
The above information shall be submitted in the form of a sworn, notarized document.
(d) 
Other required permits.
Transporters transporting hazardous wastes shall have the applicable federal and/or state permit and use the appropriate manifest system.
(e) 
Disposal sites.
Each applicant shall specify the disposal site or sites to be used for the authorized disposal of liquid wastes. The permit holder shall notify the director in writing and obtain site approval prior to the addition of any disposal sites to be used during the permit period.
(Ordinance 8140, § 1, adopted 3/20/2003; Ordinance 2025-11144 adopted 8/28/2025
(a) 
Permit fee.
To obtain a permit the applicant shall pay an annual liquid waste transportation permit fee in the amount as established by resolution in the city's consolidated fee schedule.
(b) 
Permit term:
A liquid waste transportation permit term is valid until December 31 of the calendar year it was issued.
(c) 
Display of permit numbers and annual inspection decal:
Before operating a vehicle or causing a vehicle to be operated, the permit holder shall cause to be permanently displayed on each side of each vehicle in a color contrasting with the background in three-inch letters or larger the business name, state registration number and the following: IRV (permit number). The permit holder shall cause to be permanently displayed on the back of each vehicle an liquid waste hauler inspection decal with the most current inspection year.
(d) 
The permit holder shall keep the current permit, or a copy of it in the vehicle at all times.
(e) 
The manager shall notify the director of any management changes during the permit term. The manager shall provide the director a copy of any and all new manager driver's license(s) within 10 days of the change.
(f) 
The person who desires to obtain a permit or who has a permit shall update the permit application if and when any information contained within it changes within 10 days of that change.
(Ordinance 8140, § 1, adopted 3/20/2003; Ordinance 2020-10405, § 4, adopted 12/10/2020; Ordinance 2025-11144 adopted 8/28/2025; Ordinance 2025-11179 adopted 10/2/2025)
A liquid waste transporter shall, for his or her vehicles:
(1) 
Maintain hoses, tanks, valves, pumps, cylinders, diaphragms, pipes, connections, and other appurtenances on each vehicle in good repair and free from leaks;
(2) 
Provide a safety plug or cap for each valve of each tank;
(3) 
Cause each vehicle exterior to be clean and the vehicle odor-free at the beginning of each work day;
(4) 
Secure, store, or remove loose objects on each vehicle; and
(5) 
Maintain each vehicle so that all the conditions required for permitting in this article are met at all times during the permit period.
(Ordinance 8140, § 1, adopted 3/20/2003; Ordinance 2025-11144 adopted 8/28/2025)
A liquid waste transporter shall present each liquid waste vehicle for inspection by the director prior to the issuance of a vehicle permit. To pass inspections each vehicle shall have:
(1) 
A single tank as an integral portion of the vehicle to transport liquid wastes. Portable tanks or other containers temporarily installed in vehicles are prohibited and any vehicle with them shall not be permitted. Any vehicle that can have the storage tank removed without significant modifications (welding or metal cutting, for example) and that can be used for other purposes without significant modifications will not be permitted under this article;
(2) 
Piping, valves and connectors that are an integral portion of the tank and/or vehicle and are accessible and easy to clean;
(3) 
A liquid-tight tank;
(4) 
A tank constructed so that every interior and exterior portion can be easily cleaned;
(5) 
A sight gauge which can determine whether a vehicle is loaded and its approximate capacity;
(6) 
An inlet or opening of tank constructed so that collected waste will not spill during filling, transfer, or transport;
(7) 
Outlets of a design and type suitable for the liquid waste handled and capable of controlling flow or discharge without spillage, undue spray on, or flooding of immediate surroundings while in use, and all outlet connections constructed so that no liquid waste can leak, run, or spill out from the vehicle;
(8) 
Pumps, valves, cylinders, diaphragms and other appurtenances of design and type suitable for the type of waste handled; capable of operation without spillage, spray, or leakage; and capable of being easily disassembled for cleaning;
(9) 
Marking and identification, shall prominently mark such trucks, tanks, or containers to show the following:
a. 
Company name;
b. 
Telephone number;
c. 
Authorization sticker;
d. 
TCEQ assigned registration number on both sides of the vehicles or receptacle;
e. 
Labels for intake and discharge valves and ports are prominently marked on each vehicle; and
(10) 
All parts and systems in a condition of repair such that the vehicle is road safe.
(Ordinance 8140, § 1, adopted 3/20/2003; Ordinance 2020-10405, § 4, adopted 12/10/2020; Ordinance 2025-11144 adopted 8/28/2025)
(a) 
Determine nature of waste.
Before accepting a load of liquid waste for transportation, a liquid waste transporter shall determine the nature of the material to be transported and ensure that his or her equipment is sufficient to properly handle the job without spillage, leaks, or release of toxic or harmful gasses, fumes, liquids, or other substances. Upon delivery of the waste to the disposer, the transporter shall inform the disposer of the nature of the waste.
(b) 
Hazardous waste prohibited.
A transporter with a city liquid waste transporter permit shall not transport hazardous waste in vehicles permitted by the city for transporting liquid waste.
(c) 
Mixing of incompatible wastes prohibited.
A transporter shall not mix incompatible wastes within the same container.
(d) 
Disposal site.
A transporter holding a city permit shall use a disposal site permitted and approved by the city, or other appropriate state or federal agency. A disposal site not permitted by the city must be approved by the director before a transporter may legally deliver liquid waste regulated by this chapter.
(e) 
Liquid waste storage.
Transporters shall not store liquid waste in a mobile container longer than four days.
(f) 
Manifest system.
A transporter shall use a manifest system, consisting of a five-part trip ticket, to document the generation site, transportation, and disposal of all applicable liquid waste generated in the city as follows:
(1) 
A transporter shall legibly complete one trip ticket for each interceptor serviced. Portable toilet companies servicing their own units may submit a quarterly report indicating the total volume disposed, location of jobsites serviced, and location of disposal sites to the director in lieu of using trip tickets;
(2) 
The transporter and generator shall sign a copy of each trip ticket at the time of waste collection, and the generator shall retain the generator copy;
(3) 
The disposal site operator shall sign a copy of each trip ticket at the time of disposal and retain the disposal site copy;
(4) 
The transporter shall retain the transporter copy of each trip ticket;
(5) 
The transporter shall electronically submit all information contained on the five-part manifest to the city within 10 calendar days of delivering the waste to the disposal facility;
(6) 
All of the parties receiving copies of trip tickets as outlined in this subsection shall retain them on file and on site for inspection by the city and/or other regulatory agencies for a period of at least five years from the date the waste was delivered to the disposal facility; and
(7) 
A person commits an offense if he or she does not properly and legibly complete an applicable trip ticket. The transporter is responsible for ensuring that all trip tickets are completely and accurately filled out, including obtaining the signature of the generator and disposal site operator.
(g) 
Liquid waste trip ticket submittal.
(1) 
All transporters shall electronically submit:
a. 
The generation site;
b. 
Transportation provider;
c. 
Transportation permit number; and
d. 
Disposal site details of liquid waste generated.
(2) 
The liquid waste transporter is responsible for supplying five-part manifests to document the generation, collection, transportation, and disposal of liquid waste within the city. If a transporter cannot meet the requirements of this section for the electronic submittal of liquid waste trip tickets, the transporter shall request a variance from the director or his/her designee to continue the submittal of paper liquid waste trip tickets to the city. The transporter must demonstrate to the director that they cannot meet or comply with the technological requirements of the electronic submittal of liquid waste trip tickets.
(h) 
Trap cleaning.
A transporter shall properly clean all waste traps by, as a minimum, removing the entire contents of the trap including all solids and liquids. Skimming the top or partial cleaning is prohibited.
(i) 
Permit revocation.
The director may revoke the permit of any liquid waste transporter who fails to comply with this chapter.
(Ordinance 8140, § 1, adopted 3/20/2003; Ordinance 8834, § 2, adopted 7/19/2007; Ordinance 2020-10405, § 4, adopted 12/10/2020; Ordinance 2025-11144 adopted 8/28/2025)
It is an offense for any person to allow liquid waste that emits noxious or offensive odors or is unsanitary or injurious to public health to accumulate upon property under his or her control.
(Ordinance 8140, § 1, adopted 3/20/2003)
(a) 
Approved waste disposal.
It is an offense for any person to dispose of, unload, offer for sale, or exchange liquid waste, or allow liquid waste to remain at a place not approved by the city and permitted by the city or an appropriate state or federal agency.
(b) 
Unapproved disposal sites.
It is an offense for any person to deposit or discharge liquid waste onto a street, into a storm or sanitary sewer, or to an area that may drain into the storm sewer system, a natural watercourse, or any area not approved as a waste disposal site by the city and permitted by the city or by an appropriate state or federal agency.
(Ordinance 8140, § 1, adopted 3/20/2003; Ordinance 2020-10405, § 4, adopted 12/10/2020; Ordinance 2025-11144 adopted 8/28/2025)
(a) 
Waste disposal.
A generator of liquid waste shall have all liquid waste material picked up from his or her premises only by a liquid waste transporter who holds a valid permit from the city and who shall transport it to an approved site for disposal.
(b) 
Hazardous waste.
A generator shall not permit or allow hazardous waste to be removed from the generator's premises except by an operator and vehicle permitted by the appropriate state and/or federal agency for removal of hazardous waste.
(c) 
Signature required.
A generator or generator representative shall legibly sign the trip ticket provided by the transporter when a load is picked up by the transporter and shall retain a copy of all trip tickets for a period of at least five years. The generator shall retain completed trip tickets on site and available for inspection during normal operating hours. The generator commits an offense if they refuse to sign a trip ticket. If a generator has a city permit, the city may revoke that permit for any violation of this chapter.
(d) 
Grit/sand/oil trap/interceptor.
Grit/sand/oil trap/interceptor shall be designed and constructed to intercept and remove petroleum-based oil, grease wastes, and solids from the wastewater generated by facilities that perform washing, cleaning, or servicing of automobiles, trucks, buses, or similar equipment which are newly proposed or constructed with floor drains in areas of operation.
(1) 
Generators shall design, install, operate, and maintain a grit/sand/oil trap/interceptor in accordance with locally adopted plumbing codes and chapter 8, Building Standards Code, and other applicable ordinances.
(2) 
Grit/sand/oil traps/interceptors shall be installed and inspected prior to issuance of a certificate of occupancy.
(3) 
Grit/sand/oil trap/interceptor installation and/or replacement will be reviewed, permitted and inspected by the city.
(4) 
Grit/sand/oil traps/interceptor shall be cleaned every six months or more often, to ensure proper function. A variance to the pumping and cleaning frequency may be granted at the discretion of the director if documentation the city has on file indicates that the current size of the trap/interceptor, or separator exceeds the current generator requirements.
(5) 
Grit/sand/oil traps/interceptor shall be easily accessible for service and maintenance.
(6) 
Abandoned or by-passed grit/sand/oil traps/interceptors shall:
a. 
Be pumped and completely removed; or
b. 
Be pumped, filled with sand, have all piping removed, the structure capped or plugged, and the lid broken as to make it unusable.
(e) 
Grease trap/interceptor.
Grease traps/interceptors shall be required for all food manufacturing facilities, food processing facilities, food service facilities, or significant fats, oils, and grease generating facilities. Substantial changes in use of the facility, or existing facilities which will be expanded or renovated to include a food manufacturing facility, food processing facility, food service facility, or significant fats, oils, and grease generating facilities, where such facility did not previously exist, shall be required to design, install, operate and maintain a grease trap/interceptor in accordance with locally adopted plumbing codes, and other applicable ordinances. Grease traps/interceptors shall be installed and inspected prior to issuance of a certificate of occupancy. Grease traps/interceptors shall be sized, installed, and maintained as follows:
(1) 
The installation or provided grease trap/interceptor shall be of the size and type approved by the director. The proposed grease trap/interceptor shall be able to receive peak flow from the food service establishment or industry and meet the requirements as specified by International Plumbing Code, Sections 1003.3.2 through Section 1003.3.7, and International Plumbing Code Table 1003.3.5.1.
a. 
Gravity grease interceptor size shall be measured with a meals per hour method to calculate retention time measured in gallons of capacity;
b. 
Hydromechanical grease interceptor size shall be measured with the manufacturer's recommended sizing formula to calculate flow rates measured in gallons per minute and meet the minimum grease waste capacity as required by the International Plumbing Code.
(2) 
All grease trap/interceptors shall be located on the exterior of the establishment, unless approved by the City of Irving and in compliance with chapter 8, Building Standards Code. Installation and/or replacement will be reviewed, permitted and inspected by the City of Irving.
(3) 
If the director determines that the grease trap/interceptor is insufficient in size or design, the owner/operator shall install a new grease trap/interceptor as required by this section.
(4) 
Proposal to utilize a combined grease trap/interceptor will be reviewed on a case-by-case basis.
(5) 
Applicants shall submit to the city, pending approval, plans from a licensed plumber or engineer showing drawings, flow calculations and other information deemed necessary by the city to meet the intent of this section.
(6) 
Grease trap/interceptor shall be easily accessible for service and maintenance.
(7) 
Abandoned or bypassed grease traps/interceptors shall be:
a. 
Pumped and completely removed; or
b. 
Pumped, filled with sand, have all piping removed, the structure capped or plugged, and the lid broken as to make it unusable.
(8) 
Applicants shall request a variance on the installation requirements if:
a. 
The applicant reasonably demonstrates the installation of a grease trap/interceptor on the exterior of the establishment is infeasible;
b. 
The alternate installation location shall be in compliance with chapter 8, Building Standards Code; and
c. 
The grease trap/interceptor shall be able to receive peak flow with a plan from a licensed plumber or engineer showing drawings, flow calculations and other information deemed necessary by the city to meet the intent of this section.
(f) 
A generator shall:
(1) 
Maintain collection devices in continuous, proper repair and operation including, but not limited to, pumping and cleaning them at a minimum frequency of every 90 days or more frequently when:
a. 
Twenty-five (25) percent or more of the wetted height of the grease trap or grease interceptor, as measured from the bottom of the device to the invert of the outlet pipe, contains floating materials, sediment oils or greases;
b. 
The discharge exceeds BOD, TSS, FOG, pH, or other pollutant levels established by the Utilities Director; or
c. 
Upon written directions of the director.
(2) 
Request a variance to the pumping and cleaning frequency if:
a. 
A suitable sampling port of size, location and type specified by the director, located downstream of the grease trap, interceptor, or separator demonstrates through monitoring that a reduced frequency can be justified.
b. 
If documentation the city has on file indicates that the current size of the trap/interceptor exceeds the current generator requirements.
(3) 
Install and maintain a suitable sampling port of the size, location, and type specified by the director downstream of the grease trap, interceptor, or separator and before the sanitary sewer, sampling, and measurement of the wastes and flows. Sampling ports shall be readily accessible for inspection at all times. At the discretion of the director, sampling ports may also be required for generators responsible for introducing excess grease into the collection system;
(4) 
Supervise regular and proper cleaning of collection devices;
(5) 
Report spills and accidents involving collection to director by the first city business day following the spill or accident;
(6) 
Clean up all spills and accidents immediately and have material disposed of by a permitted transporter by proper means; and
(7) 
Ensure that wastewater discharge meets all the standards and requirements of this chapter including BOD, TSS, FOG, and pH as established by the director; cover and securely protect from rain, insects and the emission of odors all used kitchen oils and grease containers.
(8) 
The generator shall maintain the structural integrity and operational condition of the collection devices including:
a. 
The walls, floors, and ceilings;
b. 
The manhole and manhole lids;
c. 
Inlet, outlet, crossover, and vent pipes;
d. 
Inflow and outflow tees;
e. 
The cleanouts and cleanout lids; and
f. 
The flow diverters and baffles.
(9) 
The generator shall repair the collection device with failing structural integrity and operational condition or replace the failing collection device with an equivalent collection device as approved by the director.
(g) 
Automated self-cleaning trap.
Automated self-cleaning traps are prohibited unless provided written authorization from the director. Generator that has been approved to operate with an automated self-cleaning trap must submit in the form of a sworn document the proper method of disposal of the liquid waste. Generator must supply the city with a signed quarterly report containing each time the liquid waste was removed from the automatic self-cleaning trap and location or container where the liquid waste was disposed.
(h) 
Business closure.
In the event that the establishment ceases operation, the establishment is required to clean the grease trap/interceptor before abandoning the property. If the owner of the business fails to clean the grease trap/interceptor, it shall become the responsibility of the property owner to clean the grease trap/interceptor.
(Ordinance 8140, § 1, adopted 3/20/2003; Ordinance 8834, § 3, adopted 7/19/2007; Ordinance 2013-9522, § 1, adopted 11/7/2013; Ordinance 2020-10405, § 4, adopted 12/10/2020; Ordinance 2025-11144 adopted 8/28/2025)
(a) 
Accumulation of waste.
A liquid waste disposal site operator shall not allow accumulation of liquid waste on his or her premises so that rainfall could carry the material to storm sewers or adjacent property or so that it creates a noxious odor or health hazard.
(b) 
Required.
A liquid waste disposal site operator shall:
(1) 
Obtain approval from the director to receive waste generated in the city that is regulated by this chapter;
(2) 
Obtain and maintain compliance with all licenses and/or permits required by local, state, or federal law;
(3) 
Accept waste only from a permitted transporter;
(4) 
Sign trip tickets received from a permitted transporter;
(5) 
Maintain trip ticket copies for a period of at least two years;
(6) 
Record on the trip ticket the volume, in gallons, of waste received;
(7) 
Accept only wastes in those classes authorized by his or her license or permit; and
(8) 
Make available all required records for inspection by the director during normal business hours.
(c) 
Approval revoked.
A liquid waste disposal site operator who fails to comply with this chapter may have his or her approval to receive regulated waste from the city revoked by the director.
(Ordinance 8140, § 1, adopted 3/20/2003; Ordinance 2025-11144 adopted 8/28/2025)
The director may promulgate rules and regulations as may be necessary to carry out the provisions of this article and protect the public from health and safety hazards. The director may undertake immediate actions as may be necessary to protect the public from health and safety hazards. Violations of any provision of this chapter may result in enforcement action as deemed necessary by the director, including, but not limited to, monetary fines or citations. The director may at any time amend any permit he or she issues to ensure compliance with this chapter, applicable laws, and regulations.
(Ordinance 8140, § 1, adopted 3/20/2003; Ordinance 8834, § 4, adopted 7/19/2007)
(a) 
Permit denied.
The director may deny, suspend, or revoke a permit if he or she determines that an applicant or permittee:
(1) 
Is not qualified under this article;
(2) 
Has violated a provision of this chapter;
(3) 
Has failed to pay a required fee;
(4) 
Has failed to comply with maintenance or inspection requirements;
(5) 
Has failed to electronically submit completed liquid waste manifests as required to the director; or
(6) 
Has failed to properly fill out all required forms including, but not limited to, liquid waste manifests.
(b) 
Reinstatement.
A permittee may file a request for reinstatement of his or her suspended permit. The director may reinstate it if he or she determines:
(1) 
That the permittee is again qualified;
(2) 
All violations have been corrected;
(3) 
Precautions have been taken to prevent future violations; and
(4) 
All required fees have been paid.
(c) 
Permit suspension.
The director may suspend, for a period of no less than six (6) months, a permit or any or all permits held by a permittee if the permittee or an employee of the permittee violates a provision of this chapter or any applicable law.
(d) 
Permit revoked.
The director may revoke a permit or any or all permits held by a permittee for violations of this chapter or any applicable law which, in the opinion of the director, pose a serious risk to the public health or safety or for repeated suspensions. A permittee whose permit is expired, suspended, or revoked shall not collect, transport, dispose of, or accept any waste materials within the jurisdiction of the city.
(Ordinance 8140, § 1, adopted 3/20/2003; Ordinance 8834, § 5, adopted 7/19/2007; Ordinance 2020-10405, § 4, adopted 12/10/2020)
If the director denies the issuance of a permit, suspends a permit for longer than six (6) months, or revokes a permit, he or she may send to the applicant or permit holder by certified mail return receipt requested, written notice of his or her action. Upon receiving notice of suspension or revocation, the applicant, or permit holder, may appeal the decision to the director within thirty (30) days. The decision of the director shall be effective unless and until it is reversed through the appeal process.
(Ordinance 8140, § 1, adopted 3/20/2003; Ordinance 8834, § 6, adopted 7/19/2007)
If any liquid waste material regulated by this chapter is improperly disposed of, dumped or stored on private property, the owner of that property shall properly dispose of the waste material and clean up the contaminated area under one (1) of the following conditions:
(1) 
The person responsible for depositing the waste cannot be identified;
(2) 
The responsible person is identified, but refuses to clean up the property; or
(3) 
The responsible person has been identified, but the owner or other person who has control of the property where the violation exists refuses to allow access to the property for proper clean-up.
(Ordinance 8140, § 1, adopted 3/20/2003)