ATS DWS-15 - Page 13

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REMEMBER - To make your water supply safe:
- Locate your well properly.
- Protect it from surface contamination.
- Test water periodically for coliform bacteria. (Home-yearly, Farm-2X yearly)
- Chlorinate, or filter and disinfect the water if necessary.
When installing an ultraviolet disinfection system, a prefilter with sump may serve as a source to
sanitize the water lines only. For whole system disinfection follow procedure as outlined above.
Source: The Pennsylvania State University College of Agriculture Cooperative Extension.
How to Sanitize a Water System Using Well Sanitizer Pellets
Table 1
Well Diameter Inches Weight of Pellets lbs. - oz. Cups of Pellets Number of Pellets
* To produce a 400 P.P.M. chlorine dosage
NOTE:
Pellets Weight = 1.14 gram each, 25 pellets/oz., 400 pellets/lb.
1 cup of pellets = 1/2 lb., or 200 pellets, or 8 oz.
To produce a 400 P.P.M. chlorine concentration, to sanitize a water system, use one-half (1/2) pound chlorination
pellets for each 100 gallons of water in the system (1/2 lb/100 gal= 8 oz/100 gal= 200 pellets/ 100 gal= 1 cup
pellets/100 gal). Table 1 shows how many pellets too use per 100 feet of water in various diameter wells.
2
3
4
5
6
8
10
12
24
36
0 - 1½
0 - 3.0
0 - 6.0
0 - 8.0
0 - 12.0
1 - 5.0
2 - 0
3 - 0
12 - 0
26 - 0
1/4
2/5
3/4
1
1-1/2
2-1/2
4
6
24
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40
80
140
200
300
500
800
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