My Aquifer > For Private Well Owners > How can I locate possible sources of pollution?
Before you attempt to locate the source of contamination for an unsafe well, be certain that the instructions for collecting water samples were followed closely. If they were not or you're uncertain, another sample should be collected following instructions closely.
If sampling error can be ruled out, the surrounding area should be inspected for possible pollution sources. These would include;
If any of the above are found to cause contamination problems, the proper changes or repairs must be made. Qualified well drillers, pump installers, DNR drinking water specialists or county sanitarians can assist you in making these observations and recommending improvements.