--- title: Water Tank Asset Register for Housing Societies description: Build a reliable inventory of underground and overhead water tanks, water services, dimensions, dead-water limits and monitoring responsibilities before configuring a society-wide dashboard. --- [Skip to content](https://www.towneve.com/resources/housing-society-water-tank-asset-register#main) [![TownEve](https://www.towneve.com/hs-fs/hubfs/raw_assets/public/Towneve-Theme/assets/logo.png?width=164&height=70&name=logo.png)](https://www.towneve.com/) Menu - [Water Management](https://www.towneve.com/water-management) ⌄ - [How It Works](https://www.towneve.com/resources/how-it-works) - Solutions ⌄ - [For Builders](https://www.towneve.com/resources/builder-water-monitoring) - [Resources](https://www.towneve.com/resources) ⌄ - [Case Studies](https://www.towneve.com/resources/tag/case-studies) - [About](https://www.towneve.com/about) - [Contact](https://www.towneve.com/contact) [Log in](https://water.towneve.com)[Request an Assessment](https://www.towneve.com/contact/) 1. [Home](https://www.towneve.com/) 2. [Resources](https://www.towneve.com/resources) 3. Water Tank Asset Register for Housing Societies [Guides](https://www.towneve.com/resources/tag/guides) # Water Tank Asset Register for Housing Societies TownEve Editorial Team · September 29, 2026 A society may have a clear count of its towers but no single reliable list of all the tanks serving them. A facility manager might know the overhead tanks by local nicknames. A plumber may refer to them by pipe routes. A committee spreadsheet may list capacities from old drawings. A monitoring dashboard may use yet another naming convention. These differences create avoidable confusion when someone asks a basic question: which tank is low, which service does it supply and who should respond? A water tank asset register gives the property one consistent record of its storage assets. It is useful before sensor installation and remains useful when staff, contractors or committee members change. What belongs in a tank asset register An asset register is a structured inventory of individual tanks and, where relevant, separately managed compartments. For each asset, record a unique identifier, physical location, water service, verified dimensions, relevant withdrawal arrangement and the person or team responsible for its operation. The record should also connect the tank to its monitoring identity, if installed. This is not merely a list of sensor serial numbers. The physical tank should remain identifiable even if a sensor is replaced. Start with the physical system Walk the site's approved drawings and existing records with the facility and engineering teams. Identify underground storage, tower-level overhead storage and any additional tanks relevant to the society's water services. Confirm whether a large structure contains distinct compartments. Two compartments behind one external wall may need separate records if they have different water surfaces, outlets or intended uses. Do not infer a hydraulic connection from physical proximity. The as-installed plumbing determines what is connected. Where access is restricted, use approved drawings and authorized personnel. Do not enter tanks or confined spaces to complete an inventory. Use a stable naming convention A name should identify the asset without depending on a particular staff member's terminology. A society might use a pattern that includes the site, tower, service and tank sequence. For example, ASTRA-T03-DOM-OHT-01 is an illustrative label for a domestic overhead tank associated with Tower 3. The exact convention is less important than applying it consistently. Avoid changing the identifier whenever a sensor, contractor or committee changes. Keep alternate historical names in a separate field if they are needed for continuity. Labels used in the dashboard, drawings, maintenance records and incident notes should refer to the same asset. Record water service explicitly Drinking, domestic and STP-treated recycled-water storage should be clearly distinguished. A generic label such as “Tank 2” may be adequate for a technician who already knows the building, but it is not sufficient for a society-wide operational record. Record the intended water service and the relevant supply or distribution connection. Do not assume that water in one service can substitute for another. The register describes the installed system; it does not authorize changes to water use or plumbing. Capture dimensions and geometry The tank's dimensions are essential to a meaningful level-to-volume calculation. TownEve allows tank dimensions to be logged in its dashboard. The calculation uses the configured tank geometry, rather than a generic assumption based on tank size. This supports accurate volume calculations for tanks of different sizes and shapes when the entered geometry correctly represents the tank and the underlying level reading is valid. For the register, retain the verified internal dimensions, shape information, measurement reference and source of that information. If drawings and as-installed measurements disagree, record the discrepancy for engineering resolution rather than silently choosing one value. Include dead-water height Some water may remain below the normal withdrawal level. TownEve also allows dead-water height to be configured so that the unusable portion is excluded from the usable-water calculation. At the configured operational minimum, the dashboard can show 0% usable water even if residual physical water remains. This is a strength of tank-specific configuration. The asset register should record the dead-water reference, how it was established and when it was last verified. Do not assume that every tank has the same dead-water percentage. The correct input depends on the installed withdrawal arrangement. Separate tank capacity from operating information Nominal physical capacity, configured usable capacity and current level are different fields. The first two describe the tank and its operating reference. The current level changes continuously and belongs in the monitoring record. A register may point to the dashboard for live information, but it should not require someone to overwrite a static inventory row whenever water moves. Keeping static configuration and changing observations separate makes discrepancies easier to investigate. Map the supply and withdrawal relationships A tank inventory becomes more useful when it also identifies the relevant source and destination relationships. For example, an underground tank may feed overhead tanks in several towers. Each overhead tank may serve a distinct water service. Record the known transfer path and any verified constraints, without implying that every tank is freely interchangeable. This relationship map helps the facility team interpret a pattern of declining levels across multiple assets. It does not, by itself, establish pump status, valve position or delivered flow. Connect the physical asset to the sensor For a monitored tank, record the installed sensor identifier and its dashboard asset name. Also document the sensor mounting location, the configured reference and the date of commissioning. If a sensor is replaced, update the sensor field while preserving the tank's permanent identity. This makes historical records easier to interpret and reduces the chance that a reading is attributed to the wrong physical asset. A sensor-to-tank mapping should be verified during commissioning, not assumed from a cable label alone. Define ownership and escalation The register should identify who maintains the physical asset record and who is responsible for operational alerts. Those may be different people. The facility team might maintain tank dimensions and plumbing records, while a designated manager maintains notification recipients. Record the approved process for updating the register after maintenance, contractor transitions or a change in tank use. A list that nobody owns becomes stale quickly. Keep a source and verification date For every important configuration field, record whether it came from an as-built drawing, a site survey or another verified source. Include the date and responsible reviewer. This matters when the building has undergone modifications or the original drawings are incomplete. A measurement should not be presented as verified simply because it has been copied into a spreadsheet. When a discrepancy is discovered, preserve the history of the correction where the society's recordkeeping process permits. A compact example An illustrative record might contain: Asset ID: SITE-T03-DOM-OHT-01 Location: Tower 3 rooftop Service: Domestic Tank geometry: Verified internal dimensions and shape Dead-water reference: Site-verified height Withdrawal connection: Documented drawing reference Dashboard asset: Corresponding monitored tank Sensor identifier: Installed device reference Responsible team: Facility operations Last verified: Date of approved review The example is a data structure, not a claim about a particular TownEve installation. The actual register should use the property's real assets and verified details. How the register supports commissioning Before accepting a new monitoring installation, compare the physical tank identity with the dashboard name and sensor mapping. Confirm that the entered dimensions and dead-water height match the approved asset record. Check representative displayed readings against an appropriate independent reference. Verify that configured alerts reach the intended people and that the timestamp and freshness behavior are understood. An accurate geometry calculation depends on correct configuration, while measurement accuracy also depends on the sensor and installation. The acceptance process should check both. How the register supports incident response When a low-water email arrives, the recipient should be able to identify the exact tank and its service. The register can help the team locate the asset, understand its normal source and identify the responsible personnel. That reduces ambiguity when several towers or water services are involved. It does not automatically diagnose a pump fault, verify a tanker delivery or establish the cause of a shortage. Those require the appropriate operating evidence. Keep the register current after changes Review the record when a tank is modified, a withdrawal point changes, a sensor is relocated or a new compartment is brought into use. A change in withdrawal arrangement may alter the appropriate dead-water reference. A change in geometry or sensor mounting may require the dashboard configuration to be checked. Document the update and its approval so the next facility team knows which values are authoritative. Where TownEve fits TownEve provides contactless ultrasonic monitoring for suitable overhead and underground tanks, current and historical readings, configured email alerts and telemetry-freshness monitoring. Its dashboard allows tank dimensions and dead-water height to be entered. This enables tank-specific volume and usable-water calculations rather than treating every tank as identical. A reliable asset register supports that capability by keeping the physical identity, verified geometry and operating reference clear. The asset register is the practical operating record that supports a well-configured TownEve deployment, linking each physical tank to its service, verified geometry, usable-water reference, sensor identity and operating ownership. FAQ Is a tank asset register the same as a monitoring dashboard? No. The register records stable asset identity and configuration; the dashboard presents changing measurements and operational information. Should every compartment have a separate entry? Where compartments are separately managed or hydraulically distinct, the inventory should represent that distinction. Why record tank dimensions? They provide the geometry used for tank-specific level-to-volume calculations. Can TownEve exclude dead water? Yes. The configured dead-water height can be excluded from the usable-water calculation. Does accurate geometry guarantee an accurate reading? No. Correct configuration and a valid sensor measurement are both necessary. Should the tank ID change when a sensor is replaced? Generally, preserve the physical asset identity and update the sensor association. Does the register prove that a pump is working? No. It maps assets and connections; equipment state requires separate evidence. ## Related implementation guides Use the [monitoring handover checklist](https://www.towneve.com/resources/water-monitoring-handover-checklist) to transfer verified asset information into operations. Keep geometry aligned with the [tank volume calculation method](https://www.towneve.com/resources/water-tank-volume-calculation), and document dead-water limits using the [usable-capacity definition](https://www.towneve.com/resources/water-tank-usable-capacity). Explore further ## Understand your water system. Plan the next step. Browse more practical resources or discuss your property's monitoring needs. 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