Nashoba Analytical will be closed on Monday, May 26th, 2025 in honor of Memorial Day.

We will not be accepting HPC samples after 12:00PM on Thursday, May 22nd.

Additionally, we will not be accepting HPC’s, Pool Scans, Pseudomonas, or Radon samples on Friday, May 23rd.

Please plan your water sampling and radon placements accordingly.

Have a safe and happy holiday weekend!

Summer Reminder: Beach and Pool Scans must be delivered to the laboratory within 6 hours of sampling to be within recommended holding time. Please note that we cannot accept Pseudomonas samples (including Pools) on Fridays.

We can test your water for lead! Please click here for our pricing and instructions.

NOTE: Office Hours: We are open Monday through Friday from 8:30am to 4:30pm for sample drop off and bottle pickup.  Our phones are off between 12:00pm and 1:00pm every business day for lunch. Drinking water samples that are not for compliance purposes may still be dropped off in the outside courtesy cooler after hours however any bacteria samples must have been sampled the same day they are dropped off.  (The courtesy cooler is not available for drop off on Friday and Saturday).  All non-drinking water samples for bacteria must be received by 4:30pm on the day they are sampled.

Is it time to test your well water?

Our laboratory provides water testing services required for:

• Homeowners
• Real estate transactions
• Title V inspections
• Mortgage applications
• Day care providers
• New construction/well permits
• Public water supply compliance monitoring,

to name a few. Maybe you have problems with your water that are either health related, or nuisance related – we can help. We can also refer you to companies that can solve your problems as we do not sell treatment equipment, we merely provide unbiased results.

Feel free to browse the website to find out more about our services.  Please call us if you have any additional questions we can answer.

If you are calling with questions about your results, please have your 9-digit Work Order# handy (top right-hand corner of your report).  If you are waiting for your results to arrive by email, please check your “Junk” or “Spam” folder before calling us – we sometimes get thrown into Junk or Spam.

Tel: 978-391-4428

Hours: Monday through Friday 8:30am – 4:30pm (Closed Sat & Sun)

We are located at 31 Willow Road Ayer, MA 01432 For directions please see the “About Us/Contact Us” link located in the column on the right-hand side of this page.