"Field","Record","Evidence or limitation"
"Date, time and observer","",""
"Pump model, serial number and speed setting","","Nameplate photograph and applicable curve"
"Source identity and water level","","Level reference and measurement method"
"Water temperature","","Instrument and measurement location"
"Active irrigation zones","","Controller event or operator record"
"Flow","","Meter identity and units"
"Suction and discharge readings","","Instrument locations, units and pressure reference"
"Strainer or filter condition","","Installed readings or authorized service report"
"Noise, vibration, leakage or alarms","","Start time and permitted observations"
"Recent changes","","Work order or dated description"