89

THE KANSAS LIFELINE

July 2018

potassium permanganate‚ sodium bisulfate‚ sodium

phosphate or 10 percent sulfuric acid. The pump needs to be

matched to the application and feed rate.

The two districts use Stenner pumps. These peristaltic

pumps are designed to be self-priming against pressures up

to 100 PSI. The design is also such that because of the

positive seals on the tubing, there is no need

for check valves and siphoning is prevented.

The tubes and injectors are replaced each

summer before startup of the rechlorination

systems. This preventive maintenance makes

the system almost problem free throughout

the summer. KRWA recommends having

extra tubing and injectors on hand to make a

quick repair if needed. More than 100 feet of

Funding for the recent

assistance to the two water

districts in Doniphan County

was provided through a

contractual arrangement

between the Kansas

Department of Health and

Environment (State

Revolving Loan Program 

set-aside) and KRWA.

.25-inch tubing was used from the feed

pumps to the injection points.

Funding for the recent assistance to

the two water districts in Doniphan

County was provided through a

contractual arrangement between the

Kansas Department of Health and

Environment (State Revolving Loan

Program set-aside) and KRWA.

If your water system has problems

with low chlorine residuals or is

interested in any other help on

operational, management or other

issues, just give KRWA a call. KRWA

has knowledgeable staff with nearly

500 years of experience with design,

operations, regulatory requirements and

management of public water and

wastewater systems. If we can't provide

the answer, we know someone who can

and will. KRWA is supported by more

than 250 Associate Members who

provide services and equipment.

RWD Operator Roger Engemann works on installing the injector while KRWA Tech

Lonnie Boller works on repairing the chlorine analyzer. A new photocell was also

installed and the unit was retubed.

Lonnie Boller is a Technical Assistant at KRWA.

He has been employed by KRWA since 2001.

Lonnie is a Class II certified operator; he

previously was Water Plant Supervisor for the 

City of Horton. He has also attended and

completed training at the University of Kansas

Law Enforcement Training Center.