This Administrative Order is issued to the River Grove Estates Trailer Park for exceeding the maximum contaminant level (MCL) for nitrate, failure to collect and analyze confirmation samples after an exceedance of the nitrate MCL; failure to monitor for nitrate; failure monitor for lead and copper; failure monitor for disinfection byproducts; failure to monitor for bacteriological quality; failure to take four repeat samples following a total coliform positive sample; failure to provide public notice; and failure to notify the State of the violations.