Thesis (BS in Agricultural Engineering) -- Mariano Marcos State University -- College of Engineering, City of Batac, 2020.

ABSTRACT
CARLOS, SHEENA LISA B., JUAN, JAY EMMANUEL S. and
SUNIGA, QUENEE KATE T. 2020, "EVALUATION OF THE MMSU WATER
SUPPLY SYSTEM CAPACITY AND AVAILABILITY". Undergraduate Thesis.
College of Engineering, Mariano Marcos State University, City of Batac 2906 Ilocos
Norte.
Adviser: VIRGILIO JULIUS P. MANZANO JR.,PhD.

A study was conducted to evaluate and provide solutions/recommendations to the
pressing problems involving the said system. It is aimed to assess: a) the present water
supply system capacities and water availability; b) evaluate the water supply system
concerning the "satisfaction rating" of its clientele/consumers; c) determine the water
supply and demand of selected buildings of MMSU; d) make an inventory and
assessment of the physical facilities of the water supply system (the location of the pumps
and rated capacities); and e) determine the operation and maintenance cost analysis of the
MMSU Water Supply system as compared to the Prime Water.
Pumping test was conducted twice, during the wet and dry season, to characterize
the study area's underlying aquifer. Such a test was done to determine the parameters of
groundwater characteristics such as transmissivity, specific yield, hydraulic conductivity,
storage coefficient, specific discharge, and radius of influence. On the other hand,
structured questionnaires were floated to gather information concerning the satisfaction
rating on the water supply system. A physical inventory of water system accessories and
components was done on the selected academic buildings to assess damaged or defective
fixtures. Also, water supply and demand were determined to evaluate the capacity of the water supply system. Finally, the Water Supply System's operation and maintenance cost
were estimated for comparison to the Prime Water, a water service provider in the
Country.
The pumping test result showed that the study area has varying transmissivities
and specific yield ranging from 19.309 to 562.223 m /day and 0.021 to 0.396,
respectively. It was observed that transmissivity in the western part of the study area was
more uniform than the eastern part. The specific yield in the study area was found to have
a mean of 0.161. The hydraulic conductivity of the study area was estimated to have
16.397 m/day. The storage coefficient of the study area ranges from 0.024 to 0.315. Also,
the mean obtained specific discharge for all test wells is 778.397 m/m-day. The mean
radius of influence is around 55m in the study area. In groundwater recovery, the mean
recovery rate of the test wells was 0.181 m/day. Generally, the aquifer parameters
indicate adequate groundwater supply.
Meanwhile, a survey of one hundred sixty-five (165) indicated that water supply
in MMSU is rated poor for drinking purposes. Nonetheless, the water supply system of
MMSU is acceptable (Satisfactory) for other purposes, such as for irrigation and washing.
Water supply is generally adequate throughout the day. The quantity in the wet season
can adequately supply the demand. The highest supply was 1,766m /day, while the
highest demand was 522.98 m/day. During the dry season, the highest available supply
was 768.312 m /day, and the lowest was 357.483m/day. Nevertheless, it was still enough
to supply the demand of the selected buildings.
The fixture conditions were rated good. Recommendations for improvement of
the water supply system were: a) replace the old water pipelines and fixtures; b)
installation of drinking fountain; c) water filtration and chlorination; d) immediate
replacement of busted fixtures.
Cost Analysis showed that an amount of Php14, 334,914.94 was needed to fix and
replace all the damaged fixtures and pipes and to build two (2) large water tanks. On
tapping the Prime water service, the University may spend an estimated amount of
Php654,032 per month, including the charge of wastewater services. It was concluded
that tapping the services of Prime Water would improve the water supply of MMSU in
terms of quality and efficiency.