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Water Quality Testing Checklist for Livestock Operations

| Ranch Name | _________________________________ |

RanchSafety Team January 20, 2026 5 min read

WATER QUALITY TESTING CHECKLIST

Ranch/Farm Information

FieldEntry
Ranch Name_________________________________
Date_________________________________
Tested By_________________________________
Water Source ID_________________________________
Source Type□ Well □ Pond □ Tank □ Stream □ Spring □ Other: _______
GPS Location_________________________________

PART 1: VISUAL INSPECTION

Water Appearance

  • [ ] Clear and colorless
  • [ ] Cloudy or turbid
  • [ ] Green tint (possible algae)
  • [ ] Brown/rust color (iron/sediment)
  • [ ] Oily surface film
  • [ ] Floating debris
  • [ ] Visible algae bloom
  • [ ] Dead insects/animals visible

Odor Assessment

  • [ ] No odor
  • [ ] Rotten egg smell (hydrogen sulfide)
  • [ ] Musty/earthy smell (algae/bacteria)
  • [ ] Chemical smell
  • [ ] Petroleum smell
  • [ ] Other unusual odor: _______________________

Surrounding Area

  • [ ] No visible contamination sources
  • [ ] Animal carcasses present nearby
  • [ ] Evidence of chemical application
  • [ ] Erosion runoff entering source
  • [ ] Livestock waste accumulation
  • [ ] Wildlife activity observed
  • [ ] Industrial/oil equipment nearby
  • [ ] Recent flooding evidence

PART 2: SAMPLE COLLECTION PROTOCOL

Before Collection

  • [ ] Lab-provided containers obtained
  • [ ] Collection instructions reviewed
  • [ ] Hands washed/gloves worn
  • [ ] Container labels prepared

Collection Steps

  • [ ] Avoid disturbing sediment
  • [ ] Rinse container with source water (3x) unless pre-treated
  • [ ] Fill container completely, no air bubbles
  • [ ] Cap tightly
  • [ ] Label immediately
  • [ ] Collect from tap closest to well head
  • [ ] Follow standard procedure above
  • [ ] Do NOT rinse container
  • [ ] Avoid touching inside of container
  • [ ] Fill without overflow
  • [ ] Keep on ice, deliver within 24 hours

After Collection

  • [ ] Samples placed in cooler with ice
  • [ ] Chain of custody form completed
  • [ ] Delivery arranged within required timeframe
  • [ ] Photos taken of water source

PART 3: TEST PARAMETERS

TestRequestedResultsSafe LimitPass/Fail
pH_______6.5-8.5□ P □ F
Total Dissolved Solids (TDS)_______ mg/L<3,000□ P □ F
Hardness_______ mg/L<500□ P □ F
Nitrate-N_______ mg/L<100□ P □ F
Sulfate_______ mg/L<500□ P □ F
Iron_______ mg/L<0.3□ P □ F
Total Coliform_______ CFU/100mL0□ P □ F
E. coli_______ CFU/100mL0□ P □ F

Extended Panel (If concerns exist)

TestRequestedResultsSafe LimitPass/Fail
Sodium_______ mg/L<1,000□ P □ F
Chloride_______ mg/L<1,000□ P □ F
Copper_______ mg/L<0.5□ P □ F
Lead_______ mg/L<0.1□ P □ F
Arsenic_______ mg/L<0.2□ P □ F
Mercury_______ mg/L<0.01□ P □ F
Manganese_______ mg/L<0.05□ P □ F
Fluoride_______ mg/L<2.0□ P □ F
Zinc_______ mg/L<25□ P □ F
Molybdenum_______ mg/L<0.5□ P □ F

Special Tests (As indicated)

TestRequestedResultsNotes
Blue-green algae_______If bloom visible
Cyanotoxin screen_______If algae positive
Hydrogen sulfide_______If rotten egg smell
Salmonella_______If illness suspected
Complete mineral panel_______Comprehensive assessment

PART 4: FIELD MEASUREMENTS (Optional)

If you have testing equipment:

ParameterReadingDate/TimeInstrument
Temperature_______ °F/°C__________________
pH (field)_________________________
Conductivity_______ µS/cm__________________
Dissolved oxygen_______ mg/L__________________
Turbidity_______ NTU__________________

PART 5: RESULTS INTERPRETATION

Overall Assessment

Based on test results:

  • [ ] SAFE - All parameters within acceptable limits
  • [ ] MARGINAL - Some parameters elevated; monitor closely
  • [ ] CONCERN - One or more parameters outside limits; take action
  • [ ] UNSAFE - Do not use until addressed

Action Items

Parameter of ConcernCurrent LevelRequired ActionTarget Date
_________________________________________________________
_________________________________________________________
_________________________________________________________

PART 6: FOLLOW-UP

Retest Schedule

  • [ ] 30 days (if action taken)
  • [ ] 90 days (if marginal)
  • [ ] Annually (if safe)
  • [ ] After significant weather event
  • [ ] Other: _______________________

Documentation

  • [ ] Results filed in water records
  • [ ] Copy provided to veterinarian
  • [ ] Issues communicated to relevant personnel
  • [ ] Follow-up testing scheduled

QUICK REFERENCE: WATER QUALITY LIMITS FOR CATTLE

ParameterExcellentGoodFairPoor
TDS (mg/L)<1,0001,000-3,0003,000-5,000>5,000
Sulfate (mg/L)<250250-500500-1,000>1,000
Nitrate-N (mg/L)<1010-4040-100>100
pH6.5-7.56.0-8.05.5-8.5<5.5 or >9

LABORATORY INFORMATION

Lab Name_________________________________
Address_________________________________
Phone_________________________________
Email_________________________________
Sample ID_________________________________
Date Submitted_________________________________
Results Expected_________________________________

NOTES

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