| Table 7. Isolation distances | |||
|---|---|---|---|
| Isolation distances for land application of sewage sludge designed to limit public access and minimize the chance for nuisance and pollution conditions to develop, feet (meters). | |||
| Type and Rate of Sludge Application | |||
|
Liquid Sludge (<15% Solids) not Injected |
Liquid Sludge (<15% Solids) Injected |
Dewatered Sludge (15% Solids or Greater) |
|
| Maximum daily application gallons/acre/day (m3/ha/d) |
10,000* (94)
|
25,000* (235)
|
---
|
| Neighbor Occupied Building |
300 (91)
|
200 (61)
|
100 (30)
|
| Wells,** Public/Private |
300 (91)
|
200 (61)
|
300 (91)
|
| Waters of the State |
33 (10)
|
33 (10)
|
33 (10)
|
| Spring |
300 (91)
|
200 (61)
|
300 (91)
|
| * Not to exceed the available water-holding
capacity of the soil. See "Available Water Capacity" on pages
12-13. **Sludge application within a wellhead protection area should be consistent with the wellhead protection program for that area. |
|||
| Source: 1996, Ohio EPA, Land Application of Sludge Manual | |||