
Sudbury, Massachusetts
Water storage, kept in service
Expert service solutions that protect and extend critical water infrastructure. Advanced Tank & Infrastructure Solutions (ATiS), powered by Ti-SALES.
Service for the tanks a town drinks from
Advanced Tank & Infrastructure Solutions (ATiS), powered by Ti-SALES, provides service work for drinking-water and wastewater infrastructure: water storage tanks, clearwells, filters, clarifiers, influent channels, outfalls and surface water intakes. Ti-SALES, at 36 Hudson Rd in Sudbury, Massachusetts, supplies waterworks products to utilities across New England and New York.
In-service inspection
Inspection of in-service tanks by certified divers or ROV, or drained assessments, with a report of deficiencies and suggested remedies.
Cleaning
In-service sediment removal, and out-of-service high-pressure washing and chemical cleaning.
Water quality and mixing
Active mixing in tanks and clearwells to reduce stratification, and Pantonite, an NSF 60-approved chemical, as an approved distributor and applicator.
Coating
Coating inspection, repair and application on concrete and steel, from small repairs to full sandblasting and coating.
Twenty-one checks a month, one roof a year
The app keeps the MassDEP monthly ground-level log, the annual roof inspection and the 3 to 5 year interior inspection on the operator’s phone, with what is due next.
Is there damage to the fence?
Problem if YesAre there signs of vandalism?
Problem if YesAre there signs of forced entry?
Problem if YesIs there damage or corrosion to the ladder and/or cage?
Problem if YesIs the roof cover/hatch closed?
Problem if NoIs the roof vent screen in place and clean? (If visible from ground level)
Problem if NoAre the manhole hatches closed, locked and sealed watertight?
Problem if NoAre the vent caps in place and undamaged?
Problem if NoAre the vent and overflow screens in place and in good condition?
Problem if NoAre all roof penetrations and seals watertight?
Problem if NoAre there signs of vandalism on the roof or top?
Problem if YesAre all locks present and working?
Problem if NoAre there other sanitary defects (openings, gaps, bird or animal entry, debris)?
Problem if YesAre there issues with the tank foundation?
Problem if YesDoes the tank appear structurally sound?
Problem if NoAre there unprotected openings (breaches, leaks, daylight through the tank)?
Problem if YesIs there corrosion developing in or on the tank?
Problem if YesLogs on the phone, requests to ATiS
ATiS Tank Watch keeps a water system's storage-tank inspections on the operator's phone: the monthly ground-level log with the 21 checks of the MassDEP form, the annual roof inspection, the 3 to 5 year interior and exterior inspection and the cleaning records, with what is due next. Problems found can be sent to ATiS as one service request.

The rules behind every check
Chapter 8, Finished Water Storage
The MassDEP guideline: the monthly ground-level check, the annual roof inspection, the 3 to 5 year interior inspection, roof safety and turnover.
MassDEP Guidelines for Public Water Systems, Chapter 8 Finished Water Storage (Rev 5-11)
The MassDEP monthly log
The 21 checks of the Monthly Storage Tank Inspection Log and its instructions: comment on every problem, keep the logs 5 years.
MassDEP PWS Monthly Storage Tank Inspection Log (Rev September 2015)
EPA Region 8 checklist
The overall condition questions of an interior inspection and the AWWA C652 disinfection methods in short.
EPA Region 8 Drinking Water Unit, Finished Water Storage Tank Checklist (2025-10)
EPA issue paper on storage
Why water age, mixing and sediment in storage tanks matter for water quality.
EPA Distribution System Issue Paper: Finished Water Storage Facilities (2002)