UFC 3-240-13FN
25 May 2005
Table 4-3. Bacterial Types and Problems Created
Conditions for Growth
Technical Names and
Bacteria Type
Problems Created
Examples
Temperature
pH
Aerobacter aerogenes
Flavobacterium
Proteus vulgaris
20-40 oC
Aerobic -
4-8
Severe bacterial slimes are formed; these are
capsulated
(7.4 optimum)
gelatinous deposits
Pseudomonas aeruginosa
(68-104 oF)
Serratia
Alcaligenes
20-40 oC
Aerobic - spore
Bacillus myocoides
Bacterial slimes; spores produced are difficult to
5-8
forming
destroy
(68-104 oF)
Bacillus subtilis
20-40 oC
Aerobic -sulfur
Thiobacillus
Sulfur or sulfides are oxidized to sulfuric acid
0.6-6
(68-104 oF)
thiooxidans
Anaerobic sulfate
Desulfovibrio desulfuricans
Grows under deposits causing corrosion;
20-40 oC
reducing
4-8
converts sulfates to hydrogen sulfide (rotten egg
Clostridium
(68-104 oF)
smell)
Crenothrix
20-40 oC
Converts soluble iron salts to iron oxide; can form
Iron depositing
Leptothrix
7.4-9.5
voluminous deposits
(68104 oF)
Gallionella
116
Previous Page
