77 Ill. Adm. Code 820.330
Swimming Facility Closing
Section 820
Section 820.330Â Swimming Facility
Closing
The manager/operator shall
immediately close any swimming facility, except a bathing beach, whenever any
of the following conditions exist:
a)Â Â Â Â Â Â Â Â The manager/operator determines that conditions at a swimming facility
create an immediate danger to health or safety.
b)Â Â Â Â Â Â Â Â Bacteriological results show any of the following:
1)Â Â Â Â Â Â Â Â Coliform concentration of 10 per 100 ml in two consecutive
samples;
2)Â Â Â Â Â Â Â Â Presence of fecal coliform, E coli, beta hemolytic
Streptococcus or Pseudomonas in any sample.
c)Â Â Â Â Â Â Â Â Turbidity exceeds the criteria outlined in Section 820.320(d).
d)Â Â Â Â Â Â Â Â A disinfectant residual consisting of a minimum of 0.5 p.p.m.
free chlorine or 1.0 p.p.m. bromine is not present or the disinfection system
is inoperable.
e)Â Â Â Â Â Â Â Â The total chlorine concentration exceeds 5 p.p.m. or the total
bromine concentration exceeds 10 p.p.m.
f)Â Â Â Â Â Â Â Â The recirculation pumps or the filters are inoperable.
g)Â Â Â Â Â Â Â Â The pH of the swimming facility water is less than 6.8 or
greater than 8.0.
h)Â Â Â Â Â Â Â Â A patron has defecated or vomited in the pool or aquatic
feature. When this occurs, the manager/operator shall remove visible foreign
matter and superchlorinate the affected area of the swimming facility. The swimming
facility shall remain closed for a minimum of 30 minutes following
superchlorination, or longer if necessary, for the disinfectant residual to
return to prescribed levels. When an incident occurs in a swimming facility
with a capacity greater than 50,000 gallons, the swimming facility manager/operator
may elect to prohibit use of only the affected area in lieu of closing the swimming
facility.
i)Â Â Â Â Â Â Â Â Â A suction outlet cover is loose, improperly installed,
damaged or missing.
j)Â Â Â Â Â Â Â Â Â The Department issues a written notice to close the swimming
facility, in which case the notice shall be posted by the owner, manager/operator
or licensee at the entrance to the swimming facility area. The swimming
facility shall remain closed until the Department has authorized the reopening
of the swimming facility.
k)Â Â Â Â Â Â Â Â Lightning is sighted or thunder is heard at outdoor swimming
facilities (see Section 820.360).