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Water
Supply and Quality
The Williamsport Municipal Water
Authority (WMWA) furnishes water service to the Greater Williamsport
Area's residents, businesses and institutions. The primary
water supply is from a modern water filtration treatment plant which
treats the water from the surface supply watersheds. Most of the
watershed area is controlled by the WMWA. A wellfield supplements the
surface supplies during dry years, normally for only two months every
other year.
The surface supply treatment
plant uses pretreatment, conventional filtration, and disinfection to
produce high quality water. The pH and calcium carbonate saturation
are adjusted to control corrosivity as part of the water treatment.
The treated surface supply water has a relatively low hardness and the
wellfield water has a moderate hardness; no softener is required for
normal usage purposes. Both sources are fluoridated.
|
Typical Distribution System Water Quality |
|
(mg/L unless
otherwise noted) |
Surface Supply |
Wellfield Supply
|
|
Alkalinity total
|
50 – 60 |
42 - 50 |
|
Chloride |
2 - 6 |
40 - 60 |
|
Conductivity, μmhos |
125 - 150 |
250 - 275
|
|
Dissolved Solids |
40 - 80 |
130 - 180
|
|
Fluoride |
0.8 - 1.0 |
0.8 - 1.0
|
|
Free Chlorine
|
0.2 - 1.0 |
1.0 - 1.6
|
|
Hardness, total |
45 - 55 |
70 - 85 |
|
Hardness, (grains
per gal.) |
2.3 - 2.6 |
4.0 - 4.9
|
|
Iron |
<0.01 - 0.1 |
0.05 - 0.1
|
|
pH (standard units) |
8.1 - 8.5 |
8.0 - 8.5
|
|
Turbidity, NTU |
0.02 - 0.1 |
0.1 - 0.4
|
The WMWA is committed to
supplying a high quality and abundant water supply, and complies with
all testing requirements and standards for EPA and PaDEP regulated
inorganic, lead/copper, organic, radionuclides, disinfection
by-products, turbidity, and microbiological contaminants.
Please contact the Executive
Director if you require detailed analysis or specific supply or
pressure capabilities.
WMWA Consumer Confidence Report -
Click here for latest annual report.
You will need Adobe Acrobat Reader to read
this file.
 Click
here to get Acrobat Reader.
The WMWA participates in the
“Partnership for Safe Water” Program sponsored by the Pennsylvania
Department of Environmental Protection (PaDEP) and the American Water
Works Association (AWWA). The WMWA was recognized by the PaDEP for
its “outstanding efforts” in meeting all Safe Drinking Water Act water
quality monitoring, reporting, and treatment technique during the year
2004.
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