Table:
Source of irrigation water	October 2011	November 2011	December 2011
MPN/100 mL	95% confidence interval lower/upper limit *	MPN/100 mL	95% confidence interval lower/upper limit	MPN/100 mL	95% confidence intervallower/upper limit
Total coliforms
Nungwane Dam	7.90	2.4/25	7.90	2.4/25	7.90	2.4/25
Spring water	110.00	39/300	79.00	25/247	110.00	39/300
IsiJodi River	110.00	39/300	25.00	11/62	33.00	11/99
Tap water source	n.d	-	n.d	-	n.d	-
Fecal coliforms
Nungwane Dam	2.00	0.28/14	4.50	1.1/18	4.50	1.1/18
Spring water	14.00	5.5/34	4.50	1.1/18	4.50	1.1/18
IsiJodi River	27.00	11/64	4.50	1.1/18	7.90	2.4/25
Tap water source	n.d	-	n.d	-	n.d	-
E. coli
Nungwane Dam	n.d	-	n.d	-	n.d	-
Spring water	n.d	-	n.d	-	n.d	-
IsiJodi River	n.d	-	n.d	-	n.d
Tap water source	n.d	-	n.d	-	n.d	-

Translate the table into Markdown format.

| <ROWSPAN=2> Source of irrigation water | <COLSPAN=2> October 2011 | <COLSPAN=2> November 2011 | <COLSPAN=2> December 2011 | 
 | MPN/100 mL | 95% confidence interval lower/upper limit * | MPN/100 mL | 95% confidence interval lower/upper limit | MPN/100 mL | 95% confidence intervallower/upper limit | 
 | --- | --- | --- | --- | --- | --- | --- | 
 | <COLSPAN=7> Total coliforms | 
 | Nungwane Dam | 7.90 | 2.4/25 | 7.90 | 2.4/25 | 7.90 | 2.4/25 | 
 | Spring water | 110.00 | 39/300 | 79.00 | 25/247 | 110.00 | 39/300 | 
 | IsiJodi River | 110.00 | 39/300 | 25.00 | 11/62 | 33.00 | 11/99 | 
 | Tap water source | n.d | - | n.d | - | n.d | - | 
 | <COLSPAN=7> Fecal coliforms | 
 | Nungwane Dam | 2.00 | 0.28/14 | 4.50 | 1.1/18 | 4.50 | 1.1/18 | 
 | Spring water | 14.00 | 5.5/34 | 4.50 | 1.1/18 | 4.50 | 1.1/18 | 
 | IsiJodi River | 27.00 | 11/64 | 4.50 | 1.1/18 | 7.90 | 2.4/25 | 
 | Tap water source | n.d | - | n.d | - | n.d | - | 
 | <COLSPAN=7> E. coli | 
 | Nungwane Dam | n.d | - | n.d | - | n.d | - | 
 | Spring water | n.d | - | n.d | - | n.d | - | 
 | IsiJodi River | n.d | - | n.d | - | n.d |  | 
 | Tap water source | n.d | - | n.d | - | n.d | - |