An Easy-to-Use Method for Assessing Nitrate Contamination Susceptibility in Groundwater

Table 3

Sewer system coverage and reclassification in the Periurban Potential Nitrate Contamination.

Sewer system coverage; %	Periurban Potential Nitrate Contamination (PuPNC)
>90	Very low
70–90	Low
50–70	Moderate
25–50	High
<25	Very high