Surse de date: Colectarea și epurarea apelor uzate
Ce date există de fapt despre această industrie, cine le deține de regulă, la ce granularitate și cât de ușor se obțin. Publice înseamnă publicate deschis; de cumpărat sunt vândute de un furnizor; parteneriat cere un acord bilateral; exclusive sunt practic blocate la o singură parte.
Intrările din tabel sunt redactate în engleză.
| Categorie de date | Cine le deține | Granularitate | Acces |
|---|---|---|---|
| pricing | Utilities and municipalities publishing wastewater tariffs, economic regulators (Ofwat, state PUCs), tariff-survey compilers (NACWA, Global… | Per tariff schedule per utility per year; per m³ and fixed charge bands… | publice |
| inventory & supply chain | Utility procurement systems for treatment chemicals (ferric, polymer, methanol), chemical suppliers, public procurement/tender portals… | Per contract/tender award; per delivery of chemical to site | publice |
| registry/licensing/permits | Environmental regulators issuing discharge consents/NPDES permits (US EPA & state agencies, EA, national ministries), trade-effluent… | Per permit per facility/outfall, with limits and conditions | publice |
| employment & workforce | National statistical offices (SBS, QCEW under NAICS 2213), utilities' own HR systems, sector skills councils | Annual headcount and wages per region/class; per-employer establishment counts | publice |
| reviews & sentiment | Consumer watchdogs (CCW customer satisfaction and complaints data), regulators' C-MeX scores, social media monitoring of pollution campaigns | Per operator per year survey score; per complaint record | publice |
| financial filings | Regulated utilities' annual performance reports (Ofwat APR), municipal bond disclosure (EMMA), company registrars for private operators… | Annual per entity; regulatory cost lines per wholesale wastewater service | publice |
| incident/safety/claims | Regulators (pollution incident registers, enforcement actions), utilities (sewer flooding registers, internal/external flooding incidents)… | Per incident with date, location, severity category; annual aggregates per… | publice |
| weather-dependent metrics | Utilities correlating rainfall with inflow/infiltration and CSO spills, national met services, hydrological agencies | Rain-gauge time series at 5–15 min; storm-event linked spill records | publice |
| waste & emissions | Utilities (sewage sludge production, biosolids disposal routes), regulators (E-PRTR pollutant releases, national GHG inventories)… | Per treatment works annual tonnage; pollutant loads per outfall annual… | publice |
| quality & compliance testing | WWTP operators' laboratories, environmental regulators (EPA ECHO/DMR in US, Environment Agency, EEA UWWTD reporting), accredited testing… | Per sample per outfall/treatment works, typically weekly to monthly; regulatory… | publice |
| sensor/IoT | Water/wastewater utilities and municipal sewerage operators (SCADA/telemetry), CSO event-duration monitors mandated by regulators (e.g. UK… | Per sensor per minute to 15-minute interval (flow, level, pump status… | parteneriat |
| geospatial/movement | Utilities' GIS teams (sewer network, manholes, outfall locations), national mapping/open-data portals, regulators publishing storm-overflow… | Per asset/pipe segment geometry; per outfall point | parteneriat |
| energy consumption | Sewerage utilities (pumping and aeration loads), energy suppliers/metering agents, benchmarking bodies (IWA, EBC, national regulators) | Per site half-hourly metering; kWh per m³ treated, monthly/annual benchmark | parteneriat |
| logistics & freight movement | Sludge haulage and septic/tanker operators, waste-transfer note systems (UK waste carrier duty of care, US manifest), utilities' biosolids… | Per load/shipment: origin works, destination field or incinerator, tonnage, date | parteneriat |
| production output | Treatment works operators and regulators reporting volumes treated, load received (PE), biogas generated | Per works daily volume treated; monthly/annual aggregates; population… | parteneriat |
| maintenance & asset condition | Utility asset-management systems, CCTV sewer-inspection contractors, condition-grading databases (WRc MSCC/ NASSCO PACP coded surveys) | Per pipe segment per inspection; per work order/job | parteneriat |
| customer demographics | Utilities linking billing accounts to property type and social tariff eligibility, census/statistical agencies for sewer-connection rates | Per account/property; area-level connection and affordability statistics | parteneriat |
| transactional/sales | Utility billing systems (wastewater volumetric and trade-effluent charges), municipal revenue departments, retail water suppliers in England | Per customer account per billing cycle | exclusive |
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