250-RICR-150-10-4
250-RICR-150-10-4. Rules and Regulations for the Operation and Maintenance of Wastewater Treatment Facilities (version Amendment, 05/19/2008 to 05/19/2008)
STATE OF RHODE ISLAND AND PROVIDENCE PLANTATIONS
DEPARTMENT OF ENVIRONMENTAL MANAGEMENT
OFFICE OF WATER RESOURCES
RULES AND REGULATIONS FOR THE OPERATION AND
MAINTENANCE OF WASTEWATER TREATMENT FACILITIES
April 2008
Authority: These Rules and Regulations are adopted pursuant to Chapters 46-12, 42-35, 42-17.1
and 42-17.6 of the Rhode Island General Laws of 1956, as amended.
RHODE ISLAND DEPARTMENT OF ENVIRONMENTAL MANAGEMENT
Rules and Regulations for the Operation and Maintenance of Wastewater Treatment Facilities
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TABLE OF CONTENTS
Section
Page
Rule 1. Purpose
…………………………………………………………..
3
Rule 2. Authority
…………………………………………………………..
3
Rule 3. Application
…………………………………………………………..
3
Rule 4. Definition
…………………………………………………………..
3
Rule 5. Operation and
Maintenance Plan
…………………………………………………………..
4
Rule 6. Procedures for the
Evaluation and Approval of a
Plan
…………………………………………………………..
8
Rule 7. Operation in
Accordance with Approved
Plan
…………………………………………………………..
8
Rule 8. Staffing
…………………………………………………………..
9
Rule 9. Odors
…………………………………………………………..
9
Rule 10. Records of Operation
…………………………………………………………..
9
Rule 11. Inspection; Rights of
Entry
…………………………………………………………..
9
Rule 12. Revision of an
Approved Plan
…………………………………………………………..
10
Rule 13. Enforcement
…………………………………………………………..
10
Rule 14. Appeals
…………………………………………………………..
11
Rule 15. Severability
…………………………………………………………..
11
Rule 16. Superseded Rules and
Regulations
…………………………………………………………..
11
RHODE ISLAND DEPARTMENT OF ENVIRONMENTAL MANAGEMENT
Rules and Regulations for the Operation and Maintenance of Wastewater Treatment Facilities
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Rule 1. Purpose
It is the purpose of these Rules and Regulations to ensure that Wastewater Treatment Facilities
are at all times maintained in acceptable working order and operated at their maximum level of
efficiency to adequately transport and/or remove the maximum amount of objectionable
constituents in wastewater, and to serve the purposes of the Federal Clean Water Act and
applicable Rhode Island General Laws. To achieve this purpose these Rules and Regulations
provide the provisions for Owners of a Wastewater Treatment Facility to submit for approval
and, once approved, adhere to an Operation and Maintenance Plan. Accordingly these Rules
and Regulations establish a procedure for the evaluation and approval of Operation and
Maintenance Plans by the Department of Environmental Management.
Rule 2. Authority
These Rules and Regulations are adopted pursuant to Chapters 46-12, 42-17.1, 42-17.6 and
42-35 of the General Laws of Rhode Island, 1956, as amended.
Rule 3. Application
The terms and provisions of these Rules and Regulations shall be liberally construed to permit
the Department to effectuate the purposes of state law, goals and policies.
Rule 4. Definitions
For the purposes of these Rules and Regulations only, the subsequent terms shall have the
following meanings:
(A) “Combined Sewer Overflow" means a structure within a combined sewage collection
system that allows a discharge during a wet-weather event into a receiving water
without going to a treatment works.
(B) “Department” shall mean the Rhode Island Department of Environmental
Management.
(C) “Director” shall mean the Director of the Department of Environmental Management or
his/her designee(s).
(D) “NPDES” shall mean the National Pollution Discharge Elimination System, which may
include the delegated Rhode Island Pollution Discharge Elimination System.
(E) “Operation and Maintenance Plan” or “Plan” shall mean either an electronic or paper
document submitted to the Director for evaluation and written approval. Each document
shall include, but not be limited to, a description of the specific Wastewater Treatment
RHODE ISLAND DEPARTMENT OF ENVIRONMENTAL MANAGEMENT
Rules and Regulations for the Operation and Maintenance of Wastewater Treatment Facilities
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Facility, procedures for operation and maintenance, required staffing levels, design and
other pertinent information as enumerated in Rule 5.
(F) “Owner” shall mean (i) the permittee named on the NPDES permit issued for the
Wastewater Treatment Facility, or (ii) a city or town or the State of Rhode Island, or
district association, or other public body (created by or pursuant to Rhode Island State
Law) having jurisdiction over a Wastewater Treatment Facility.
(G) “Sanitary Sewer Overflow” shall mean an intentional or unintentional discharge of raw
or partially treated Wastewater from any point within a Wastewater Treatment Facility’s
collection system. For the purposes of these regulations a Sanitary Sewer Overflow will
not include a wet-weather-related discharge from any Combined Sewer Overflow
authorized within a NPDES permit.
(H) “Wastewater” shall mean human waste from any receptacles intended to receive or
retain bodily waste products, and any organic or non-biological wastes from residences,
businesses, institutions and industries or any combination of the above, as well as any
water used as a means of conveyance of such wastes, which is intended to enter a
Wastewater Treatment Facility for collection, conveyance, treatment and discharge in
accordance with a NPDES permit.
(I) “Wastewater Treatment Facility” shall mean a group or assemblage of processes,
devices and structures for the conveyance, treatment or removal of objectionable
constituents of Wastewater. A Wastewater Treatment Facility shall include, but not be
limited to, all physically connected Wastewater collection system piping, pumping,
storage, physical, chemical and/or biological treatment, filtering and disinfection
systems. For the purposes of these Rules and Regulations, a Wastewater Treatment
Facility shall include privately owned wastewater collection, pumping, storage and
conveyance systems interconnected with and emptying into a host Wastewater
collection system. For the purposes of these Rules and Regulations, a Wastewater
Treatment Facility shall not be considered to be: (i) an Onsite Wastewater Treatment
System, which does not discharge into surface waters but discharge into subsurface
waters; or, (ii) any privately owned plumbing; or (iii) any privately owned low-pressure
grinder pumps; or (iv) gravity sewer lines conveying an average flow of less than 30,000
gallons per day, as calculated by the Department’s “Flow Estimation Policy for Design of
Sanitary Sewers.”
Rule 5. Operation and Maintenance Plan Requirements.
(A) At all times, Wastewater Treatment Facilities shall be maintained in good working
order and operated as efficiently as possible. Proper operation and maintenance
may include but not be limited to effective performance based on facility design,
adequate funding, effective management, adequate operator staffing and training
and adequate laboratory and process controls including quality assurance
procedures as determined to be appropriate by the Director and backup or auxiliary
RHODE ISLAND DEPARTMENT OF ENVIRONMENTAL MANAGEMENT
Rules and Regulations for the Operation and Maintenance of Wastewater Treatment Facilities
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facilities or similar systems to assure compliance or effective performance. Proper
operation and maintenance must include emergency procedures and reporting
requirements in case of power outages, natural disaster, labor shortage (whether the
result of intentional work stoppages or epidemic) equipment failure, acts of
terrorism/vandalism or Sanitary Sewer Overflow. Reporting requirements shall
include verbal notification to the Department and, if applicable, the Owner of the host
Wastewater Treatment Facility as soon as possible, but not exceeding twenty-four
(24) hours of discovery of the event; a written report must be submitted to the
Department not more than five (5) business days of the event’s ending.
(B) The Owner shall submit for review and approval by the Director an Operation and
Maintenance Plan prescribing standards and procedures by which the Wastewater
Treatment Facility will be staffed, operated and maintained during normal and
emergency conditions. Should development of the Plan include the practice of
engineering, the Plan must then be prepared and certified by a Registered
Professional Engineer registered in the State of Rhode Island.
(C) The Owner of a new Wastewater Treatment Facility, or the owner of an existing
Wastewater Treatment Facility that is being upgraded shall submit a draft Operations
and Maintenance Plan, or draft revisions to an existing approved Plan, to the Director
for review and approval at least sixty (60) days prior to commencement of operation
of the new or upgraded Wastewater Treatment Facility.
(D) The Owner of an existing Wastewater Treatment Facility without an approved Plan
must submit for approval a Plan necessary to comply with the requirements herein
within one (1) calendar year of the promulgation of these Rules and Regulations, or
at some other pre-approved time as determined at the discretion of the Director.
(E) The Owner of an existing Wastewater Treatment Facility with an approved Plan must
submit for approval all revisions necessary to comply with the requirements herein
within one (1) calendar year of the promulgation of these Rules and Regulations, or
at some other pre-approved time as determined at the discretion of the Director.
(F) The Owner may request an extension in time to complete and submit the required
revisions or submission of a Plan, per Rule 5.D and 5.E, but this extension can not
exceed one year in addition to the one year herein.
(1)
A request for submission extension must be in writing and be received by the
Department no later than three (3) months prior to the required submittal
date. Any request received later than three months prior to the required
submittal date will be denied.
(2)
The request for extension must include all applicable reasons that would
require additional time for the submission of a draft plan.
(3)
It shall be at the Director’s discretion to approve or deny such a request for
extensions of submission.
(G) The Owner of any existing Wastewater Treatment Facility operating on the effective
date of these Rules and Regulations shall continue to operate the Wastewater
Treatment Facility in compliance with an existing approved Plan, which shall remain
in full force and effect unless suspended or revoked by the Director in accordance
with Rule 13 of these Rules and Regulations.
(H) The contents of the Plan shall include at a minimum the following:
RHODE ISLAND DEPARTMENT OF ENVIRONMENTAL MANAGEMENT
Rules and Regulations for the Operation and Maintenance of Wastewater Treatment Facilities
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(1)
Descriptions and schematics of the entire Wastewater Treatment
Facility in either paper or electronic form, and an overall plan with
appropriate labels for major components (i.e. collection piping and
pumping, headworks, clarifiers, aeration tanks, disinfection, sludge
handling, etc.), outfall(s) and compliance sampling locations. This
description and schematic must include:
(a)
Sewer-line maps of the collection system, which will include but
not be limited to the overall service area, as well as the locations
of incoming wastewater from neighboring communities, pipe
diameter, distances between centers of manholes, slope or
direction of flow, and the locations of all pump stations, siphons,
etc, (noting design capacities) and flow meters. Other required
collection system information may include, but not be limited to,
the dimensions of easements and property lines. The information
stated herein (that is, in Rule 5.H.1.a only) will not be submitted to
the Department for review, but shall be available for review by the
Director at any time during the approval process.
(b)
A summary of all design criteria, including capacity calculations,
for the Wastewater Treatment Facility.
(2)
Descriptions of, and detailed operating procedures for, all treatment
processes and major and essential equipment, including sampling and
monitoring equipment
(3)
A preventative maintenance plan for the Wastewater Treatment Facility.
This must include information stored within an adequate data-
management system.
(4)
A listing of supplies and essential spare parts necessary to be kept on
site for normal and emergency use throughout the Wastewater
Treatment Facility.
(5)
A staffing plan, including but not limited to position descriptions,
managerial and staffing hierarchy organization chart, minimum
qualifications and training, whether the position is full- or part-time, and
required Grade of Licensure, as stated by any rules and regulations
promulgated by the Rhode Island Board of Certification of Operators of
Wastewater Treatment Facilities.
(6)
A description of any provisions to ensure security of the Wastewater
Treatment Facility’s physical and electronic data-management systems.
(7)
Emergency procedures and reporting requirements in case of power
outages, natural disaster, labor shortage (whether the result of
intentional work stoppages or epidemic) equipment failure, acts of
terrorism/vandalism
or
Sanitary
Sewer
Overflow.
Reporting
requirements shall include verbal notification to the Department as soon
as possible but not exceeding twenty-four (24) hours of discovery of the
event; a written report must be submitted not more than five (5)
business days of the event’s ending.
(8)
Procedures for records keeping for up to three years of the time of
recording.
RHODE ISLAND DEPARTMENT OF ENVIRONMENTAL MANAGEMENT
Rules and Regulations for the Operation and Maintenance of Wastewater Treatment Facilities
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(9)
Seasonal operational requirements, where applicable.
(10)
A schedule for self-monitoring of influent and effluent, treatment
processes and operations to be reported on forms (paper or electronic)
required by the Director.
(11)
A copy of the Wastewater Treatment Facility’s National Pollution
Discharge Elimination System (NPDES) or Rhode Island Pollution
Discharge Elimination System (RIPDES) discharge permit.
(12)
Laboratory and sample collection procedures.
(13)
A description of operational funding mechanisms, to be updated at any
time said funding mechanism changes.
(14)
A copy of the sewer use ordinance.
(15)
Procedures for tracking information regarding legally responsible parties
of privately owned Wastewater Treatment Facilities that are physically
connected to, and so empty into, an Owner’s Wastewater Treatment
Facility. Such information must include, at a minimum, the retention of
up-to-date and accurate contact information, including names,
addresses and emergency communication information for all privately
owned Wastewater Treatment Facilities connected to an Owner’s
Wastewater Treatment Facility.
(16)
Procedures for informing responsible parties of privately owned
Wastewater Treatment Facilities that are physically connected to, and
so empty into, an Owner’s Wastewater Treatment Facility that, at a
minimum, said parties are under the authority of these regulations.
(17)
Procedures for monitoring that privately owned Wastewater Treatment
Facilities that are physically connected to, and so empty into, an
Owner’s Wastewater Treatment Facility, are operated and maintained in
accordance with Rule 5.A of these regulations. These procedures shall
include a plan for action by the Owner should it become known that a
privately owned Wastewater Treatment Facility has failed.
(18)
Provisions that the Wastewater Treatment Facility will minimize Sanitary
Sewer Overflows by maintaining and planning for proper collection-
system capacity. This must include a description of methods for
Wastewater Treatment Facility capacity management with details on the
selection and enforcement of any and all legal authority necessary for
an Owner to ensure system capacity by regulating the volume of flow
entering the Wastewater Treatment Facility, including but not limited to
residential and commercial customers, neighboring communities and
industrial users. Such legal authority may include project approval
requirements at the local level, sewer-use ordinances, contracts,
service agreements and/or other legally binding documents.
(19)
A schedule for implementation of subsections 15-18 above.
RHODE ISLAND DEPARTMENT OF ENVIRONMENTAL MANAGEMENT
Rules and Regulations for the Operation and Maintenance of Wastewater Treatment Facilities
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Rule 6. Procedures for the Evaluation and Approval of a Plan
The Director shall evaluate each Plan submitted giving full consideration to the
Wastewater Treatment Facility design parameters, public health requirements and
sound engineering, administrative and maintenance practices.
(A) In reviewing a Plan, the Director may use as guidance the following documents:
“Guides for an Operation and Maintenance Manual for Municipal Wastewater
Treatment Facilities” and “Guides for an Operation and Maintenance Manual for
Municipal Wastewater Pumping Stations and/or Pipelines,” and/or the “NPDES
Compliance Inspection Manual,” by the U.S. Environmental Protection Agency
(EPA); a current edition of “Operation of Municipal Wastewater Treatment Plants” by
the Water Environment Federation; “Standard Methods for the Examination of Water
and Wastewater”; and other standards, guidance and policies accepted by the
Director.
(B) Upon review of the Plan, the Director may:
(1)
Require that the Owner provide information as the Director deems
necessary for the review of the Plan; if additional information is required
the Owner must submit said information within thirty (30) days of
notification, unless a longer time is granted. Or,
(2)
Issue an Order of Approval. This Order of Approval, however, may if
needed include stipulations requiring any such terms, conditions,
management practices and operation and maintenance requirements
deemed necessary by the Director for the Plan to comply with the
requirements of these Rules and Regulations and applicable state and
federal laws. Or,
(3)
Deny the Plan for failure to satisfy the requirements of these Rules and
Regulations and applicable state or federal laws. Should such a denial be
issued by the Director, the Owner shall have the right to appeal the denial
in accordance with Rule 14 of these Rules and Regulations.
(C) Upon approval of the Plan, the Department will issue an Order of Approval and
forward to the owner one copy of the approved Plan along with the Order of
Approval. This approved copy must at all times be kept on site at the Wastewater
Treatment Facility and must be available for use by facility operators. A second
identical approved copy will remain on file with the Department.
(D) The Order of Approval issued for a Plan shall be effective on the date that the
approval is issued and shall remain in effect unless modified, suspended or revoked
in accordance with Rule 12 of these Rules and Regulations.
Rule 7. Operation in Accordance with Approved Plan
(A) After the effective date of the approved Plan, the Wastewater Treatment Facility shall
be operated and maintained at all times in conformance with Rule 5 and all aspects
of the Plan.
RHODE ISLAND DEPARTMENT OF ENVIRONMENTAL MANAGEMENT
Rules and Regulations for the Operation and Maintenance of Wastewater Treatment Facilities
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(B) After the effective date of the approved Plan, failure to operate and maintain the
Wastewater Treatment Facility in accordance with the approved Plan shall constitute
a violation of an order of the Director pursuant to Section 46-12-3 of the Water
Pollution Act, Rhode Island General Laws, 1956, as amended. Each day that a
Wastewater Treatment Facility is not operated in conformance with an approved
Plan shall constitute a separate violation.
Rule 8. Staffing
All Wastewater Treatment Facilities regulated by the Rhode Island Board of Certification of
Operators of Wastewater Treatment Facilities must be operated and maintained by properly
certified personnel in accordance with the Rules and Regulations for Wastewater Treatment
Facility Operators.
Rule 9. Odors
All Wastewater Treatment Facilities must comply with the Department’s Air Pollution Control
Regulation 17, as amended, or other Rules and Regulations pertaining to odors. As such, a
Wastewater Treatment Facility shall, at all times, be operated and maintained so as not to emit
or cause to be emitted into the atmosphere any air contaminant or combination of contaminants
which creates an objectionable odor beyond the property line of said facility.
Rule 10. Records of Operation
The Director may require any Wastewater Treatment Facility to:
(A) Establish and maintain records of operation and maintenance.
(B) Create and submit reports, including but not limited to monthly operating reports,
alarm calibration and testing reports, etc.
(C) Install, calibrate, use and maintain monitoring equipment or methods.
(D) Sample discharges in accordance with such methods at locations, at intervals, and in
a manner as the Director shall prescribe. Such sampling may be in addition to that
required by NPDES monitoring requirements.
(E) Provide other information relating to discharges into the state waters or into a
Wastewater Treatment Facility as the Director may reasonably require.
Rule 11. Inspection; Right of Entry
(A) For the purpose of enforcing these Rules and Regulations, it is necessary that the
Director be able to conduct inspections of, review records of operation and obtain
samples of any substance from a Wastewater Treatment Facility, and to evaluate a
proposed Plan and/or ensure that operation and maintenance is in conformance with
RHODE ISLAND DEPARTMENT OF ENVIRONMENTAL MANAGEMENT
Rules and Regulations for the Operation and Maintenance of Wastewater Treatment Facilities
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an approved Plan, as well as state and federal laws related to wastewater treatment.
Therefore in accordance with the Department of Environmental Management’s
Administrative Inspection Guidelines, the Director may at all reasonable times enter
any Wastewater Treatment Facility premises, buildings, plants or equipment, or other
places belonging to, or controlled by any Owner, inspect the same or any part
thereof, review and copy records of operation, either physical or electronic, historical
or real-time, and obtain samples of any substances which the Director deems
necessary.
(B) Any person obstructing, hindering, or in any way causing to be obstructed or
hindered, the Director in the performance of his/her duties or who shall refuse to
permit the Director entrance into any Wastewater Treatment Facility premises,
buildings, plant or equipment, or other places belonging to or controlled by any such
person, or who shall refuse to permit the Director to review and copy records of
operations or obtain samples of any substances, in the performance of his/her duties
as such, shall be subject to the civil and criminal penalties set forth in Sections 46-
12-13 and 46-12-14 of the Rhode Island General Laws, 1956 as amended.
Rule 12. Revision of an Approved Plan
(A) An approved Plan shall not be revised in any manner without the prior submission of
the proposed revision to the Director for review and approval. The Director may also
require at any time that an approved Plan be revised for reasons which include, but
are not limited to, a determination that there has been a substantial change or
alteration in the Wastewater Treatment Facility’s capacity, treatment process,
equipment or effluent or influent wastewater characteristics.
(B) Revisions to an approved Plan will generally be approved by issuing a “modified
Order of Approval.” Minor revisions may be approved by the Director as Standard
Operating Procedures. Once the Director approves a Standard Operating Procedure
it shall be considered an addendum of the approved Plan, and as such must be
adhered to in accordance with Rule 5 of these rules and regulations.
Rule 13. Enforcement
(A) Any Owner that operates a Wastewater Treatment Facility without an approved Plan,
or a person or entity operating a Wastewater Treatment Facility in violation of an
approved Plan or otherwise operates a Wastewater Treatment Facility in violation of
these Rules and Regulations shall be subject to administrative enforcement actions,
and/or civil and/or criminal penalties pursuant to Chapters 46-12, 46-17.1 and 42-
17.6 of the General Laws of Rhode Island, 1956, as amended.
(B) Operation of a Wastewater Treatment Facility without an approved Plan or operation
in violation of an approved Plan may constitute grounds for the Director to suspend
or revoke state grants for pollution prevention facilities
RHODE ISLAND DEPARTMENT OF ENVIRONMENTAL MANAGEMENT
Rules and Regulations for the Operation and Maintenance of Wastewater Treatment Facilities
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(C) The Director may seek appropriate equitable remedies pursuant to Chapter 46-12 of
the Rhode Island General Laws, 1956, as amended for the operation of a
Wastewater Treatment Facility without an approved Plan or operation of a
Wastewater Treatment Facility in violation of an approved Plan.
(D) After adoption of a Plan, the plan shall be enforced through Section 46-12-10 of the
Rhode Island General Laws, 1956, as amended.
Rule 14. Appeals
Any person or entity for which an enforcement action has been initiated against by DEM may
appeal to the Director for review of the decision on which the enforcement action is based by
filing an appeal with the Administrative Adjudication Division. The procedures for appeal of
Department decisions pursuant to the provisions of Chapter 42-35 of the R.I. General Laws are
contained in both Administrative Rules of Practice and Procedures for the Administrative
Adjudication Division of Environmental Matters (“AAD Regulations”) and the Administrative
Rules of Practices & Procedure for the Department of Environmental Management.
Rule 15. Severability
If any provision of the Rules and Regulations or the application thereof to any person or
circumstance is held invalid by a court of competent jurisdiction, the remainder of the Rules and
Regulations shall not be affected thereby.
Rule 16. Superseded Rules and Regulations
Upon adoption, these Rules and Regulations will supersede the “Rules and Regulations
Pertaining to the Operation and Maintenance of Wastewater Treatment Facilities” dated
December 12, 1979 and as amended December 31, 2001.
The foregoing “Rules and Regulations for the Operation and Maintenance of Wastewater
Treatment Facilities,” after due notice, are hereby adopted and filed with the Secretary of State
this ______ day of ______ 2008, to become effective twenty days thereafter, in accordance with
the provisions of Chapters 42-12, 42-17.1, 42-17.6 of the General Laws of Rhode Island of 1956
as amended.
Attest a true copy:
___________________________________
W. Michael Sullivan, Ph. D., Director
Department of Environmental Management