Environmental Engineering Reference
In-Depth Information
Gastritis, peptic
and duodenal
ulcer disease,
stomach adeno-
carcinoma
Helicobacter
sp.:
pylori
Uncertain presence
in water
distribution system
Possible
contaminated
food and water
Chronic
indigestion,
heartburn
5-10 days
Maintain adequate
disinfectant
residual in finished
water
Enterocolitis,
urinary and
respiratory
infections
including
hypersensitivity
pneumonitis
Klebsiella
spp.:
pneumoniae,
oxytoca,
rhinoscleromatis,
planticola,
ozaenae
terrigena
Certain industrial
wastes, especially
of paper-making
and sugar refining;
fruits and
vegetables, plant
matter
Surface water
and unprotected
ground water;
water filters
Diarrhea,
abdominal
cramps; fever,
dry cough,
bloody sputum
1-3 days
(chronic
respiratory
disease)
Maintain adequate
disinfectant
residual in
distribution system
and conduct
periodic flushing
to eliminate
biofilms
Central nervous
system, bone,
soft tissue
infections;
endocarditis
(HIV/AIDS
patients highly
susceptible
Mycobacterium
avium
complex
(
M
.
avium
and
M. intracell-
ulare
)
All environments
(soil, clean and
polluted waters),
animals
Water and soil
by ingestion,
inhalation of
aerosols
Abdominal
pain, fatigue,
diarrhea,
anemia
Typically very
long and
dependent on
health status
Water treatment
coagulation and
filtration for
suspended matter
removal, maintain
effective
disinfectant
residuals
