Free checklist
Water treatment chemical feed system quarterly maintenance checklist
A quarterly chemical feed system round is short on purpose: it catches the wear items that fail between annual services. This checklist is sized for a tech with a phone. Every item says what to look at and the photo that proves the round happened. Work is commonly verified against manufacturer's published instructions. Confirm the edition your authority having jurisdiction has adopted.
The checklist
Every item, and the photo evidence it needs
The photo count on each row is what RTI would require before the item can be submitted. Work the list here and watch the gate hold, or load it into RTI and let it enforce the real thing.
Chemical supply
SDS for each product read before handling
Current SDS at the station for every product in use, its PPE and first aid read and that PPE put on before any drum, tubing or feeder is touched.
No photoDrum and day-tank level read
Level checked against the reorder mark, product matches the label for this loop, no settled or separated chemical in the tank.
Tubing and containment checked
Suction and discharge tubing free of air locks and kinks, secondary containment or drip tray dry, no crystallization at fittings.
Chemical storage labeled, capped and segregated
In-use and spare drums capped and labeled with the product name, on containment, with acids, oxidizers and biocides kept apart as their SDS directs.
Metering pump and injection
Metering pump seen to draw and inject
Pump stroking, drum level actually dropping over a timed count, discharge pressure building rather than the head just clicking dry.
Stroke and speed match the contractor's setting
Stroke length and speed dials or the pump display read against the setting on the treatment contractor's last report; any difference recorded and raised, not reset by guess.
Injection point and check valve confirmed
Injection quill and check valve passing product into the flow, no back-siphon, no scale or crystal buildup blocking the quill.
Controller and area
Controller reading and mode verified
Conductivity or ORP probe reading in a sensible range, controller in auto and dosing on demand, not left in hand or alarmed.
No photoEyewash and PPE present in the area
Eyewash within reach and unobstructed, gloves and face protection stocked at the station; observed, not tested.
Loop testing and close-up
Loop tested with the kit against program targets
Sample drawn and inhibitor, conductivity and the program's other parameters tested, each read against the treatment program's target range, not a remembered number.
Bypass feeder isolated and relieved before charging
Where a pot feeder is fitted, inlet and outlet closed and pressure relieved at the drain before the cap is eased off, with face and hand PPE on.
No photoStation closed up and valves in service position
Drum lids and pump covers back on, isolation and feeder valves open to flow, drips cleaned with absorbent and wastes bagged as the SDS directs.
No photoReadings logged for the treatment contractor
Test kit results, drum levels, pump settings and any shot added logged where the treatment contractor reviews them, out-of-range results reported to the owner.
No photo
What usually sends this back
The failures are almost always the evidence, not the work
- Drum run empty because no one read the day-tank level, so the loop has been feeding nothing but makeup water for weeks.
- Metering pump clicking but not moving product past a fouled injection check valve, so the reading on the drum drops while nothing reaches the water.
- Controller in hand or off after a prior service and never returned to auto, so it stopped dosing on conductivity.
Common questions
6 answers
- What does this water treatment chemical feed system quarterly checklist cover?
- 13 items across 4 sections, covering chemical supply, metering pump and injection, controller and area, loop testing and close-up. Each item spells out what the person walking the job is actually looking for, not just a box to tick.
- Who should run this inspection?
- The water treatment service tech or maintenance mechanic on the quarterly mechanical-room round.
- When in the schedule should this walk happen?
- Every quarter with the cooling tower and closed-loop checks, since a dry drum or dead pump lets the loop drift untreated between visits.
- Why do these items ask for a photo?
- 8 of the 13 items call for photo evidence, 10 photos in all. A checklist answer without the photo is a claim; the photo is what makes the record worth something in a dispute and lets a reviewer approve work without re-walking the job.
- What most often fails a water treatment chemical feed system quarterly inspection?
- Drum run empty because no one read the day-tank level, so the loop has been feeding nothing but makeup water for weeks. Metering pump clicking but not moving product past a fouled injection check valve, so the reading on the drum drops while nothing reaches the water. Controller in hand or off after a prior service and never returned to auto, so it stopped dosing on conductivity.
- Can I use this checklist in RTI?
- Yes. Start a free RTI workspace, build this list as a checklist, and the Photo Gate holds the submit button until every mandatory item is answered and its photos are attached. Approved inspections roll into a branded turnover package with a tamper evident audit trail.
Run it with the Photo Gate
A checklist nobody can submit half-finished
Load this list into RTI, stick a QR tag on the area it covers, and the submit button stays locked until every mandatory item is answered and the 10 required photos exist. Approved walks roll into a branded turnover package with a tamper evident record behind every line.
See all 508 checklists · 6741 items and 5984 photo requirements in total.