01 // Wastewater Management
Wastewater management software for NPDES compliance, effluent monitoring, and regulatory reporting
02 // Connected Solution
Locus Wastewater Management, from Locus Technologies, automates the full NPDES compliance cycle
... for POTWs and water utilities, from effluent data collection and laboratory integration through DMR generation, Monthly Operating Report preparation, and audit-ready recordkeeping. It is natively integrated with Locus Drinking Water Quality, IPP/FOG, and MS4 Stormwater apps, giving utilities a single system of record for every water program they manage.
With nearly 30 years of water and environmental data management behind it, SOC 1 Type 2 and SOC 2 Type 2 certification, and a platform managing more than 527 million analytical records including 4.8 million validated PFAS records, Locus brings breadth and depth that wastewater-only tools cannot match.
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Built on Locus Platform
Locus Wastewater Management runs on the same cloud platform as the full Locus EHS compliance suite, including Spill Management, Air Quality, Waste Management, and Safety & Incident Management.
Effluent monitoring data, industrial user permit records, stormwater compliance data, and drinking water quality results also share the same validated data layer and the same audit trail.
4.8M Validated PFAS Records
NetDMR eSMR · ezDMR · MOR
99.99%+ Uptime Since 2014
Why utilities choose Locus Wastewater software
04 // Benefits
Locus automates DMR calculation and generation including complex parameter aggregations, mass discharge calculations, and statistical summaries. Produce formatted DMR outputs and NetDMR electronic submissions without manual data assembly.
Automated alerts are issued the moment a monitored parameter approaches or exceeds a permitted threshold giving operations teams time to act before a violation occurs.
Locus Mobile connects field data collection directly to the compliance record on mobile devices, while laboratory EDDs load analytical results automatically, adding new parameters without requiring advance database configuration.
When the same system manages both programs, utilities can better identify potential pass-through and interference risks.
Wastewater discharge data in Locus connects natively to ESG water reporting under GRI 303, CDP Water, and CSRD E3 disclosures, and to EHS compliance programs including spill management, without requiring separate integrations or manual data bridging.
05 // Neno Duplan, Founder and CEO, Locus Technologies
"Utilities have struggled with fragmented, outdated, or single-purpose systems for too long.
That is why Locus Water is a game-changer for water pros trying to keep up with everything from DMRs, CCRs, PFAS and compliance to cyber security and customer outreach."
From permit setup to filed report
06 // Lifecycle
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Permit
Configure NPDES permit records for every permitted facility and outfall. Track effluent limits, monitoring requirements, renewal dates, and permit conditions. Link permit-driven monitoring schedules directly to sampling plans so compliance obligations are always visible and never missed.
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Plan
Build routine and ad hoc effluent sampling plans for every outfall and monitoring location. Generate chains of custody, bottle labels, and field work lists from the same schedule. Receive automated alerts when samples are approaching a non-compliance date, when collections are missed, or when laboratory results are outstanding.
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Collect
Field teams log effluent parameters in Locus Mobile, while laboratories upload analytical data and QA/QC metrics through EDDs. SCADA historians and sensors add continuous process data automatically. In-house bench sheets, calibration records, reagent traceability, and control charts enter the same validated record.
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Validate
Every incoming result is compared against configured permit limits and action levels. System-embedded validation controls flag exceedances, data incongruities, and QC issues before data enters the permanent record. Automated exceedance alerts route to the right person immediately so corrective action can begin before a deadline arrives.
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Report
Generate Discharge Monitoring Reports in approved regulatory formats including NetDMR, eSMR for Monthly Operating Reports and self-monitoring reports draw from the same validated dataset. Publish reports in the format each regulator requires without re-entering data.
Tested and proven wastewater management software
07 // Feature Highlights
NPDES Permit and Compliance Management
Locus manages every facet of an NPDES discharge permit record issued under the Clean Water Act. Digital copies of permits, consent decrees, inspection findings, and enforcement activities are stored with the record. Enforcement correspondence, notices of violation, and return-to-compliance documentation are tracked against the permit record, creating a complete enforcement history that is accessible at any point without reconstructing files. Permit conditions drive monitoring schedules directly, so sampling obligations update when permit terms change and nothing is missed at renewal. Configurable automated reminders alert staff to upcoming renewal dates and reporting deadlines. Task and compliance calendar integration keeps every obligation visible across the program.
Permit Management →
Task & Compliance Module →
Sample Planning and Monitoring Schedule Management
Permit-driven monitoring schedules are the organizing framework for wastewater compliance, and Locus builds sample planning directly from permit conditions. Build routine and ad hoc sampling plans for every monitoring location. Generate work lists for field crews, chains of custody, and bottle labels integrated with mobile data collection. Track sample status from collection through laboratory receipt. Receive automated alerts when samples are approaching a non-compliance date, when scheduled collections are missed, or when laboratory results are outstanding. When permit conditions change at renewal, monitoring schedule updates flow through to sampling plans without manual reconstruction.
Sample Planning Module →
Locus Mobile →
Effluent Data Collection and Laboratory Integration
Locus software connects to every source of effluent data a wastewater utility manages. SCADA and on-site monitoring equipment integrations bring real-time process data — flow rates, pH, temperature, dissolved oxygen, and other continuous monitoring parameters — without manual entry. Laboratory analytical results load via EDD in standard and custom formats, with lab QA/QC metrics imported automatically alongside results. Chain-of-custody management supports the complete sample lifecycle from collection through laboratory receipt. Mobile field data collection captures field measurements, notes, photos, and GPS location in real time, with offline capability for remote locations that automatically syncs when connectivity is restored.
Locus Mobile →
Locus EIM →
In-House Lab and Bench Sheet Management
For in-house labs, Locus digitizes laboratory bench sheets and QA/QC records within the same platform. Capture in-house sample processing metrics, calibration records, temperature monitoring data, reagent and supply traceability, proficiency sample results, and control charts for test method-specific QA/QC. In-house test results sit alongside externally contracted laboratory data in the same validated record, so compliance staff can evaluate all analytical data in one place regardless of which lab produced it.
In-House Testing Bench Sheets →
Automated DMR Generation and Regulatory Reporting
Locus generates Discharge Monitoring Reports from validated effluent data in approved regulatory formats within minutes. DMR outputs include formatted PDF reports and NetDMR electronic submissions. The complete audit trail that regulators require, covering source data, calculation methodology, validation history, and submission record, is maintained by default, rather than being assembled after the fact for review.
Permit Management →
GIS Mapping, Dashboards, and Analytics
Integrated GIS, powered by Esri ArcGIS Online, displays outfall locations, monitoring sites, and industrial user locations across the service area on an interactive map. Locus GIS+ adds deeper spatial analysis including buffering, spatial queries, contouring, and integration with existing ArcGIS map layers. Beyond mapping, Locus generates configurable visualizations including time series charts, scatter plots, bar graphs, tree maps, regression charts, and hydrographs for trending and analyzing effluent quality data over time. Statistical correlation tools and year-over-year comparisons give compliance engineers the analytical depth to identify trends before they become permit issues. User-configured KPI dashboards surface compliance status across all monitoring programs and outfalls in real time.
Locus GIS+ →
Configurable Workflows, Task Management, and Compliance Calendar
Locus configurable workflows automate the recurring compliance tasks that define wastewater program management, including sampling reminders, inspection scheduling, corrective action routing, and reporting deadline notifications, all without writing code. Task scheduling and assignment tools support routine and non-routine monitoring tests, maintenance activities, and operational inspections. Automated compliance enforcement letters and inspection reminder notifications reduce the manual follow-up burden on program staff. Users record and investigate unauthorized discharge events and outfall issues with full documentation. The compliance calendar gives program managers visibility into every obligation across all programs and facilities in a single view.
Task and Compliance →
Permit Management →
Workflow Automation →
08 // Neno Duplan, Founder and CEO, Locus Technologies
"Discharge Monitoring Report (DMR) reporting and other water quality management issues
... represent a potentially huge area of risk and cost for businesses. Automating generation, quality control, and submittal should be part of the environmental strategy of any organization."
10 // Truly Unified Platform
One application on a platform built for your entire utility
Wastewater compliance does not end at the treatment plant’s fence line. The same platform that generates your DMRs also manages your drinking water quality monitoring schedules, your industrial pretreatment permit records, your stormwater inspection workflows, and your water consumption metrics. When a spill reaches the collection system, Locus Spill Management connects to the same record. When wastewater discharge data is needed for GRI 303, CDP Water, or CSRD E3 reporting, it flows from the same validated Locus record to ESG disclosures without extraction or reconciliation.
For utilities navigating staff transitions and retirements, centralized cloud-based compliance records mean that permit histories, monitoring schedules, DMR records, enforcement correspondence, and audit documentation live in the platform rather than in the files of the person who built the program.
11 // Software Demonstration
See Locus Wastewater Management in action
Wastewater monitoring programs vary by permit complexity, outfall count, treatment process, state primacy requirements. Talk to a Locus water specialist who understands the specific NPDES frameworks and reporting cycles that govern your program.
Request a Personalized Demo
Frequently Asked Questions
12 // FAQ
Yes. Locus Technologies manages NPDES permits issued under Section 402 of the Clean Water Act from permit setup through filed report: effluent limits, monitoring schedules, sampling plans, laboratory and SCADA data, validation against permit limits, and DMR generation with NetDMR submission. Enforcement correspondence and return-to-compliance documentation stay attached to the same permit record.
Locus generates Discharge Monitoring Reports in multiple formats from the same validated dataset. Locus also supports electronic submissions via netDMR.
Locus integrates with SCADA and on-site monitoring equipment for real-time process data, connects to LIMS for automatic EDD loading from contract and internal laboratories, and supports mobile field data collection on iOS and Android devices.
System-embedded data validation controls compare every incoming result against configured permit limits and action levels, flagging exceedances, data incongruities, and QC issues before data enters the permanent compliance record. Automated exceedance alerts route immediately to the right person by name or by program. The complete record of sample collection, laboratory analysis, validation steps, and submission history is maintained as an audit-ready record for regulatory review.
Yes. Wastewater discharge data in Locus connects natively to ESG water reporting obligations including GRI 303, CDP Water, and CSRD E3 disclosures from the same validated record, without requiring separate data extraction, reformatting, or manual bridging. This connection is native to the Locus Platform.
Locus runs all water programs on the same cloud platform. A utility managing drinking water quality, wastewater compliance, industrial pretreatment, stormwater inspections, and water metrics operates from one system, one data layer, one audit trail, and one interface. For utilities navigating staff transitions, all compliance records, permit histories, and monitoring data live in the platform rather than in the files of individual staff members.
Yes. Locus digitizes laboratory bench sheets and supports QA/QC requirements within the same platform, capturing in-house sample metrics, calibration records, reagent and supply traceability, proficiency sample results, and control charts. In-house results sit alongside data from 3rd party laboratories in the same validated record, giving compliance staff a complete view of all analytical data regardless of source.
Enforcement correspondence, notices of violation, and return-to-compliance documentation are tracked against the relevant NPDES permit record in Locus, creating a complete enforcement history that is accessible at any point without reconstructing paper files or email threads. Permit exceedances trigger configurable workflows that route corrective action assignments to the right staff and track completion through resolution.
Insights, updates, and expert guidance
13 // Recommended Reading
