The Colilert (CL) and Coliquik (CQ) systems were compared in a presence-absence format against the Standard Methods membrane filtration (MF) technique to determine whether differences existed in total coliform detection. Approximately 750 water samples were collected from distribution systems, covered and uncovered storage reservoirs, well sites, and the influent to drinking water treatment pla...

Predicting the presence of enteric viruses in surface waters is a complex modeling problem. Multiple water quality parameters that indicate the presence of human fecal material, the load of fecal material, and the amount of time fecal material has been in the environment are needed. This paper presents the results of a multiyear study of raw-water quality at the inlet of a potable-water plant t...

Status of drinking water contamination was studied in three mountainous districts in Nepal. A total of 43 water samples (Sankhuwasabha: 11, Rasuwa: 12 and Dolpa: 20) were tested for the presence of total coliform (TC) and Escherichia coli as fecal coliform bacilli using commercially available test system called Colilert (Japan). Of the total, 85.7% (36/43) were positive for TC whereas 67.4% (29...

The current investigation was done to assess the bacterial load and detect the presence of indicator bacteria that acquire the spread of feacal contamination of water of river Ganga at Serampore, West Bengal, India. Total of 110 bacterial isolates, 25 feacal coliform, 50 Escherichia coli and Enterobacter sp were isolated from river water. The objective of this study also showed the antibiotic r...

The incidence pattern of cadmium tolerance and antibiotics resistance by Escherichia coli was examined periodically from the samples of water, sludge and intestine of fish raised in waste stabilization ponds in a sewage treatment plant. Samples of water and sludge were collected from all the selected ponds and were monitored for total counts of fecal coliform (FC), total coliform (TC) and the p...

The aim of this study was to investigate the performance of a two-stage fluidized bed reactor (FBR) system for the post-treatment of secondary wastewater treatment plant effluents (Shahrak Gharb, Tehran, Iran). The proposed treatment scheme was evaluated using pilot-scale reactors (106-L of capacity) filled with PVC as the fluidized bed (first stage) and gravel for the filtration purpose (secon...

This paper uses a Markov chain model to analyse the dynamics in farm-size distribution among the Flemish dairy sector and the impact of quota policy regulation on such changes. The model predicts a decline of 24% in number of farms in 2014 compared with the current situation with a more liberal exchange policy and a decline of 18% with a restricted quota exchange policy. From these Markov chain...

The coliform bacterial population in the Grand Forks, N.Dak. sewage system was examined for multiple-antibiotic-resistant organisms over a 1-year period. Multiple-antibiotic-resistant coliforms were found to be common in the sewage, and their numbers remained fairly constant relative to the total coliform population throughout the year. Resistance to kanamycin, tetracycline, and ampicillin was ...

A bacteriological study of three ponds in Uegwere Bo-ue community, Khana Local Government Area, of Rivers State, Nigeria were investigated to evaluate the water quality of the ponds. Surface water samples were collected monthly for eight months covering both seasons and evaluated. Bacteriological analyses carried out includes: total heterotrophic bacteria counts(THBC), Total coliform counts(TCC...