Maximum Flow Table#
| Pipe Type | Pipe Size | |||||||
|---|---|---|---|---|---|---|---|---|
| 1" | 1 1/4" | 1 1/2" | 2" | 2 1/2" | 3" | 4" | ||
|
Mainline Pipe |
PVC Class 160 | 17 | 29 | 38 | 59 | 86 | 128 | 211 |
| PVC Class 200 | 17 | 28 | 36 | 57 | 83 | 123 | 203 | |
| PVC Sch. 40 | 13 | 23 | 32 | 52 | 75 | 115 | 199 | |
|
Lateral Pipe |
Polyethylene | 20 | 35 | 48 | -- | -- | -- | -- |
| PVC Class 160 | 26 | 43 | >57 | 88 | 130 | 192 | -- | |
| PVC Class 200 | 26 | 41 | 54 | 85 | 124 | 184 | -- | |
| PVC Sch. 40 | 20 | 35 | 48 | 79 | 112 | 173 | -- | |
This chart is intended as an aid for irrigation design.
Did You Know?
Rebates are available to install interior and exterior lighting controls at your business.
Taking advantage of daylight from windows and skylights can save energy.
The watersheds where our water comes from drain snowmelt and rainfall to the Cache la Poudre and Big Thompson rivers and Horsetooth Reservoir.