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IN THE FIELD

Every challenge is different.
The system is the same.

Planning operations for control, the whole cost of dewatering, decisions on shift, chemical inventory, a pilot and its model. Every fact here is stated with the utility's agreement.

Suffolk, Virginia Control, and the plan behind it

HRSD · Nansemond Treatment Plant

Nansemond is moving from ammonia-based aeration control to AvN and then PdNA, with new tanks coming online. The controller can hold the ratio only where the plant's position lets it reach.

PEOPLE · ON THE LOOPapprove the plan · make the physical move · auditA PLAN, ONE MOVE AT A TIMEAPPROVED, OR NOT YETEDDY · THE DIRECTING LAYERDAYS TO WEEKSsets the plant’s position, with the twinTRAINS · SWING ZONES · WASTING · RECYCLETHE POSITION, THE BANDHELD IT, OR HIT A BOUNDTHE AUTOMATIONMINUTESholds the AvN ratio on the air valvesPEOPLE · ON THE LOOPapprove · move · auditA PLANAPPROVEDEDDY · DIRECTINGDAYSsets the positionTRAINS · SWING ZONESWASTING · RECYCLETHE POSITIONHELD, OR A BOUNDTHE AUTOMATIONMINUTESholds AvN on the valves
Eddy, the directing layer above the automation
Eaos builds
The directing layer above the automation. A twin maps which trains, swing zones and wasting keep the controller in reach, month by month, as the water warms and cools.
Eddy does
Plans the operations through the season, dated and costed. Proposes one move at a time for a person to approve, and measures the position every morning.
One fact
Thirty-six positions, each settled forty-five days on the twin. In the autumn forecast the plant as run leaves the controller no reach, and one move gives it all of it.
Denver, Colorado Cost optimization

Metro Water Recovery · Robert W. Hite Treatment Facility

Dewatering is a whole-cost problem. Polymer, ferric, hauling and struvite trade against each other across eight centrifuges in four pairs, and the driest cake on one machine can cost more across the plant.

The Hite centrifuge fleet: eight machines, three running, each with its feed, polymer and the day's recommendation to hold, raise or trim
the fleet, with the day's recommendation
Eaos builds
Agents for cost optimization. Five models of the dewatering complex served against daily plant data, and a planning model that works from last week's labs toward the cost per dry ton.
Eddy does
A daily plan for the fleet. Which machines run, the polymer on each, the cost per dry ton and the trade-off, run in shadow and logged against what the plant did.
One fact
Five served models against daily plant data.
Washington, DC AI decision support on shift

DC Water · Blue Plains Advanced WWTP

The filtrate treatment facility runs six deammonification reactors behind the belt filter presses. Cameras watch the presses and the foam every minute. When something holds, the shift has to decide fast whether it is the process or the instrument.

With Oregon State University, on the computer vision

One of the foam cameras at Blue Plains looking down on the basins, the three regions it measures traced in green on the water surface
a foam camera and the regions it measures
Eaos builds
Computer vision that scores the polymer dose on the presses and measures the foam. Detectors and a state engine on the filtrate train that open a case when a condition holds, joined to the procedures, the lab and the plant record.
Eddy does
Works the case, freezes the evidence, and stops to ask the operator where the data cannot settle it. The shift summary every morning.
One fact
The July shift summary from this board is cleared by DC Water.
Hillsboro and Tigard, Oregon Chemical inventory

Clean Water Services · Durham and Rock Creek

Alum, lime, hypochlorite, bisulfite and caustic, across day tanks and bulk storage at two plants, with phosphorus held to a monthly permit. Run short and the permit is at risk. Order early and the tank cannot take the truck.

The Durham board on chemicals: every tank and silo by chemical, days to reserve on the chemical runway, and alum and bisulfite with usable gallons, when to order and loads a week
the board, on chemicals
Eaos builds
Days to reserve for every tank, read from the meters. A deliveries calendar. Ordering on the operators' own method and floors.
Eddy does
Twice a day, when to order and how much, in whole trucks, with its reasons. Only a person marks it ordered.
One fact
Live at both plants.
Auckland, New Zealand A pilot study and its model

Watercare · Māngere WWTP

A nitrous-oxide pilot on the aeration zones, with a model behind it, built on the most complete record of any facility here.

Three days of the pilot in the data viewer, day and night banded: inlet ammonium, the airflow to aerobic Zone 6, and dissolved N₂O in anoxic Zones 5 and 7, each in its own strip on one time axis
the load, the air and N₂O by zone, three days
Eaos builds
The record, recovered from the functional description and the register with the drawing adding the connections, and an emission model by zone.
Eddy does
The study and the model runs, against the offgas and the dissolved readings in every zone.
One fact
Cross-referencing found defects no single source shows, like analyzers a register calls temperature and a drawing calls dissolved oxygen.
COMING SOON

Three more, with Oregon State University and Stantec.

Hastings and St. Paul, Minnesota Microscopy and filament support

Metropolitan Council · Hastings and Metro Plant

The microscopy viewer at Hastings: years of samples on a timeline beside SVI, and a December sample with excessive filaments compared with a clear one from March
the microscopy viewer, two samples compared

A decade of microscopy across nine plants, in reports that could not be trended. Every report and image lands in one record beside the plant data, so a filament bloom is read against what the plant was doing.

With
Oregon State University, on the microscopy and the image analysis.
One fact
Ninety-six Hastings workbooks read clean, with 443 labeled micrographs.
Woodbridge, Virginia BNR support

Prince William Water · H.L. Mooney AWRF

BNR built from the staff's own questions. The carbon to nitrogen ratio, effluent phosphorus, ferric dosed to the day's load, and the know-how that should stay when people retire.

With
Stantec, and WSSC Water alongside.
Accokeek, Maryland BNR diagnosis and a daily brief

WSSC Water · Piscataway WRRF

The map came first, built from the plant's own exports in minutes. Next, BNR diagnosis and a daily brief, chosen from a scored list of the staff's own ideas.

With
Stantec, and Prince William Water alongside.