Table 3.

Nitrate‐N Concentrations (in mg/L) From All Four Sampling Rounds Sorted by Water Source Type

	All sites	Kiosks	Municipal boreholes	Private boreholes	Shallow wells
Mean	189	9.2	8.2	36	28
Median	5.6	4.8	4.4	25	19
Standard Error	2.4	2.8	2.4	13	4.2
Minimum	0	0	0	0	0
Maximum	110	100	37	110	100
Count	111	37	20	10	43