Well I made a Secchi disk and to my surprise the reading was 13-14". The water is brown with a tint of green and I put some in a jar to let it sit. I also checked the acidity and total alkalinity with my swimming pool kit and got a ph of 8.4 and alkalinity of 190. The pond is filled by a well but the water must first travel through a pecan row about 1/4 mile long.