Electrical grounding in wet conditions???

Question

Have searched NEC all day looking for code. Home owners literally on the beach with water under house want power turned back on. Looking for codes on grounding on wet land. These houses are condemned but owners are fighting it. Has anyone seen a code pertaining to this or anything close

Hi tides have eroded sand to the point that all septic and sewer lines have floated up out of the ground and the street behind the houses has buckled. If as an example, there is Saltwater under the house and the groundrod and clamp are under saltwater does it lose its grounding source? All houses in this area are 200amps

Hi tides have eroded sand to the point that all septic and sewer lines have floated up out of the ground and the street behind the houses has buckled. If as an example, there is Saltwater under the house and the groundrod and clamp are under saltwater does it lose its grounding source? All houses in this area are 200amps. If so, does it specify anywhere in the NEC Book

Answer 1

try
http://www.dir.ca.gov/title8/2395_42.html
section b

Grounds are also tied to the cold water pipes and gas pipes.
make sure all circuits are dry and checked with a insulation resistor tester (megger).Readings above 2 Mega Ohms should be OK.

Answer 2

I have never seen fire or building codes that addresses this. What is the problem? Presence of water under the house doesn't seem to me to be a significant problem. We see boats and ships with electricity. We walk our electric mowers and the like through wet grass.

There is the possibility, of course that there may be water soaked electrical equipment. Shouldn't be too much to remove all connected appliances from the house wring and check for unintended grounds. For safety's sake the inspection should include removing the neutral circuit from its point of ground, and checking it too.