About Us
Monterey Bay Analytical Services (MBAS) is a California State Certified Environmental Laboratory (ELAP # 2385) providing laboratory testing since 1999. MBAS primarily focuses on water quality and offers a wide arrange of analyses for drinking water and wastewater as well as agricultural and surface waters.
MBAS takes pride in producing data that is scientifically sound and legally defensible as well as offering support and technical advice to our clients.
MBAS supports the following programs:
SDWA – Safe Drinking Water Act
CWA – Clean Water Act
NPDES – National Pollution Discharge Elimination System
RWQCB Central Coast Ag Waiver
MBAS areas of expertise:
Inorganic chemistry
Microbiology
Physical testing
The MBAS advantage:
Speak with a highly knowledgeable staff member
Analyses are completed by experienced scientists
No hidden costs
No extra disposal fees
Sample collection services are available upon request (some conditions and charges apply):
Hours:
Mon-Fri: 8:30am – 5:00pm (0830-1700)
*Please submit coliform/bacteria samples Mon-Thurs BEFORE 4:30pm (16:30) and all other analyses Mon-Fri before 16:30.*
Holiday Schedule:
| Memorial Day | Monday May 25th, 2026 | Closed |
| Labor Day | Monday September 7th, 2026 | Closed |
| Thanksgiving Eve | Wednesday November 25th, 2026 | 8:30-12:00 |
| Thanksgiving Day | Thursday November 26th, 2026 | Closed |
| Friday November 27th, 2026 | Closed | |
| Christmas Eve | Thursday December 24th, 2026 | 8:30-12:00 |
| Christmas Day | Friday December 25th, 2026 | Closed |
| New Year's Eve | Thursday December 31st, 2026 | 8:30-12:00 |
| New Year! | Friday January 1st, 2027 | Closed |
