1. Mean grade C- (Minus) at KCSE or equivalent with at least C- (Minus) in the following: Biology and Mathematics and any one of the following: Geography/Chemistry/Physics/Physical Sciences; OR,
2. KCE Div. II with at least a Credit Pass in a relevant certificate from a recognized institution; OR,
3. Mean grade D+ (Plus) at KCSE with a Certificate in Water Resources or related field from a recognized Institution with at least a Credit pass.