o_19f3m1n7k170b14e9u0oqipgu4a.pdf

Table A-8. Industrial Reuse
409
State
Reclaimed Water
Quality and Reclaimed Water
Treatment Monitoring Treatment
Storage
Loading Groundwater Setback
Requirements Requirements Facility Reliability Requirements Rates
Monitoring Distances (1)
Other
(single sample) facility permit during periods operation can be used in
• Chlorine • Minimum of operator open cooling
residual of schedule for presence towers if a
0.5 mg/l sampling and 300-foot
maintained testing based setback
after at least 15 on system distance is
minutes contact capacity provided to the
time at peak established for property line,
flow flow, pH, the cooling
• Fecal coliform chlorine tower is
- 200/100 ml residual, designed and
(annual dissolved operated to
average) oxygen, minimize
- 200/100 ml suspended aerosol drift to
(monthly solids, CBOD 5, areas beyond
geometric nutrients, and the site
mean) fecal coliform property line
- 400/100 ml • Continuous that are
(not to exceed on-line accessible to
in more than 10 monitoring of the public, and
percent of turbidity prior biological
samples in a to disinfection growth is
30-day period) • Continuous controlled
- 800/100 ml on-line
(single sample) monitoring of
• pH 6 - 8.5 total chlorine
• Limitations to residual or
be met after residual
disinfection concentrations
Open cooling of other
water tower
disinfectants
applications: • Monitoring for
• Secondary Giardia and
treatment with Cryptosporidium
filtration and - sampling one
high-level
time during
disinfection each 2 year
• Chemical feed period
facilities to be - samples to
provided
be taken
• 20 mg/l CBOD 5
immediately
(1) Distances are from edge of wetted perimeter unless otherwise noted.