Government Services Region Codes |
Code |
St. John’s |
SJ |
Eastern (Clarenville) |
E |
Central (Gander) |
GAN |
Western |
W |
Labrador |
L |
Locate the Department of Government Services Regional Office in your area
Standard Reasons for Issuing Boil Water Advisories |
|
Water supply has no disinfection system |
A |
Chlorination system is turned off by the operator, due to taste or other aesthetic considerations. |
B1 |
Chlorination system is turned off by operator, due to perceived health risks. |
B2 |
Chlorination system is turned off by operator, due to lack of funds to operate. |
B3 |
Disinfection system is off due to maintenance or mechanical failure. |
C1 |
Disinfection system is off due to lack of chlorine or other disinfectant. |
C2 |
Water distribution system is undergoing maintenance or repairs. |
D1 |
A cross connection is discovered in the distribution system. |
D2 |
Inadequately treated water was introduced into the system due to fireflows, flushing operations, interconnections, minor power outage or other pressure loss. |
D3 |
Water entering the distribution system or facility, after a minimum 20 minute contact time does not have a free chlorine residual of at least 0.3 mg/l or equivalent CT value. |
E1 |
No free chlorine residual detected in the water distribution system. |
E2 |
Insufficient residual disinfectant in water system disinfected by means other than chlorination. |
E3 |
Total coliform detected AND repeat samples can not be taken as required |
F2T |
Escherichia coli (E. coli) detected AND repeat samples can not be taken as required |
F2E |
Total coliforms detected and confirmed in repeat sample. |
F3 |
Escherichia coli (E.coli) detected in an initial sample(s) is considered extensive and the water system has other known problems. |
F4 |
Escherichia coli (E.coli) detected and confirmed in repeat sample. |
F5 |
Viruses detected (eg, Hepatitis A, Norwalk). |
F6 |
Protozoa detected (eg, Giardia, Cryptosporidium). |
F7 |
Water supply system integrity compromised due to disaster (e.g. contamination of water source from flooding, gross contamination, major power failure, etc.). |
G |
Waterborne disease outbreak in the community. |
H |