1. CIM
ADMINISTRATIVE BRIEF FROM MARTHA TASKER
City of Salina Industrial Pretreatment Program
Beneath the streets of every city, a system of sewers and pu mps conveys wastewater away
from homes, factories, offices, and stores. This disposed wastewater, which may contain a
variety of domestic, commercial, and industri al wastes, flows through the sewers to a
wastewater treatment plant (WWTP). There, pollutants are removed and the cleansed water
is discharged into an adjacent water body, such as a river, bay, lake or ocean. The residues
of the treatment process (bioso lids) are either used productive ly as a soil conditioner or
disposed of as a solid waste.
Industrial plants are only
one of many sources of
wastewater discharged into
municipal sewers. The
wastewater discharged by
industry is often
contaminated by a variety
of toxic or otherwise
harmful substances not
common to other sources -
the by-products of industrial
processes such as cyanide
from metal finishing shops
and lead from the
manufacturing of batteries.
These wastes can pose
serious hazards because
municipal sewers and
WWTP’s have not been
designed to treat them.
Industrial wastes can damage the sewers and interfere with the operation of WWTP’s, or pass
through the systems untreated, resulting in contamination of nearby water bodies and
increase the cost and environmental risks of sludge treatm ent and disposal.
The undesirable effects resulting from the discharge of industrial wastewater into municipal
sewers can be prevented. Indust rial plants, using proven pollu tion control techniques, can
remove pollutants from their wastewaters be fore discharging them into the municipal
wastewater system. This practice is known as "pretreatment.”
The federal government has developed national regulations or "stand ards" that restrict
industrial pollutants from being discharged into municipal wastewater systems. Individual
WWTP’s impose limitations by means of a sewer-use ordinance that may be stricter than the
national standards, but cannot allow less stringent levels of control.
The City of Salina’s In dustrial Pretreatment Ordinance was first adopted in 1984 and was
revised in 1992. The purpose of this ordinance is:
(1) To prevent the introduction of pollutants into the municipal wastewater system, which
could interfere with the nor mal operation of the system, and/or contaminate the
resulting biosolids;
(2) To prevent the introduction of pollutants into the municipal wastewater system, which
could pass through the system inadequately treated into receiving wa ters or the
atmosphere, or otherwise be incompatible with the system; and
(3) To improve the opportunity to recycle and reclaim wastewaters an d biosolids from the
system.
Currently, there are 13 industries that are regulated by the Industrial Pretreatment Ordinance.
They are as follows:
Metlcast Products
Bergkamp, Inc.
GE Oil and Gas Philips Lighting Company
Exide Technologies Coperion K-Tron
Exline Leasing Ramaco, Inc.
Grain Belt Supply Schwan’s Global Supply Chain, Inc.
Great Plains Manufacturing Valmont Coatings
KASA Fab, Inc.
These industries are regulated by the use of Industrial Wastewater Discha rge Permits. These
permits outline the requirements for industries to remain in compliance with wastewater limits.
Each industry submits reports that include process and/or plant flows a nd any analysis of their
wastewater required by their permit. The City of Salina monitors industries by reviewing
reports, site visits, and annual sampling.
Industries throughout Kansas are presented awards at the annual Kansas Water Environment
Association (KWEA) meeting for compliance with industrial pretreatment requirements. Gold
awards are presented to those that: have at least 95% compliance with all discharge
requirements; exhibit a good working relationship with their local pretreatment coordinator;
and are proficient in report submittal requirements. Silver awards are presented to those that:
have at least 85% compliance with all disc harge requirements; ex hibit a good working
relationship with their local pr etreatment coordinator; and are proficient in report submittal
. Year after year, Salina
requirements. In 2015, all of Salina’s industries received gold awards
industries have done very well at meeting the pretreatment requirements. Their dedication to
outstanding pretreatment, results in protecting the public’s health and safety as well as the
environment.
MONDAY’S MEETING
Enclosed are other items on the agenda. If any Commissioner has questions or cannot attend the
meeting, please contact me.
Jason A. Gage, City Manager