Commonly Used Acronyms and Abbreviations
Acronyms and abbreviations in documents about managing water supply or drinking water operations.
| Abbreviation | Term |
|---|---|
| ACR | alternative capacity requirement |
| ANSI | American National Standards Institute |
| ASCE | American Society of Civil Engineers |
| AWWA | American Water Works Association |
| BACTI | samples taken to test for bacteria |
| BARF | bond application report format |
| BF | baffling factor |
| BPAT | backflow prevention assembly tester OR backflow prevention assembly test |
| Return to top | |
| BTR | before technical review |
| BWN | boil water notice |
| CCEDS | Consolidated Compliancy and Enforcement Data System |
| CCI | comprehensive compliance investigation |
| CCR | consumer confidence report |
| CDBG | Community Development Block Grant |
| CFE | combined filter effluent |
| CIAC | contribution in aid of construction |
| CIFA | Council of Infrastructure Finance Agencies |
| CLA | chloramine |
| CMDP | Compliance Monitoring Data Portal |
| Return to top | |
| CN | customer number |
| COG | Council of Governments |
| COS | Cost of Service |
| CPE | Comprehensive Performance Evaluation |
| CRG | Community Resource Group |
| CSI | customer service inspection |
| CT | concentration time |
| CWIP | construction work in progress |
| DBP | disinfection by-product |
| DBP1 | Stage 1 Disinfection By-Product Rule |
| DBP2 | Stage 2 Disinfection By-Product Rule |
| Return to top | |
| DCP | drought contingency planning |
| DD | drainage districts |
| DEM | Texas' Department of Emergency Management |
| DPR | direct potable reuse |
| DSHS | Texas Department of State Health Services |
| DWAWG | Drinking Water Advisory Workgroup |
| DWSRF | Drinking Water State Revolving Fund |
| DZ | disinfection zone |
| EDAP | Economically Distressed Areas Program |
| EP | entry point |
| EPA | Environmental Protection Agency |
| EPP | Emergency Preparedness Plan |
| Return to top | |
| ERP | emergency response plan |
| EST | elevated storage tank |
| ETJ | extra territorial jurisdiction |
| FASB | Financial Accounting Standards Board |
| FCL | free chlorine (Cl2) |
| FOD | Field Operations Division |
| FWSD | fresh water supply district |
| GAAP | generally accepted accounting principles |
| GAM | groundwater availability model |
| GASB | Governmental Accounting Standards Board |
| Return to top | |
| GCD | groundwater conservation district |
| GIS | geographic information system |
| GMA | groundwater management area |
| GPM | gallons per minute |
| GPS | Global Positioning System |
| GST | ground storage tank |
| GUI | groundwater under the influence of surface water |
| GW | groundwater |
| GWD | groundwater district |
| Return to top | |
| HAA | haloacetic acid |
| HAA5 | haloacetic acid (sum of 5 HAAs) |
| HDT | hydraulic detention time |
| ID | irrigation district |
| IDSE | initial distribution system evaluation |
| IFE | individual filter effluent |
| IGR | Intergovernmental Relations |
| IOU | investor-owned utility |
| IR | inactivation ratio |
| IUP | intended use plan |
| Return to top | |
| IWSCOT | Independent Water and Sewer Companies of Texas |
| iWDD | Integrated Water District Database |
| LCR | Lead and Copper Rule |
| LCRI | Lead and Copper Rule Improvements |
| LCRR | Lead and Copper Rule Revisions |
| LID | levee improvement district |
| LSL | lead service line |
| LSLI | lead service line inventory |
| LSLR | lead service line replacement |
| LT1 | Stage 1 Long-Term Enhanced Surface Water Treatment Rule |
| LT2 | Stage 2 Long-Term Enhanced Surface Water Treatment Rule |
| LTESWTR | Long-Term Enhanced Surface Water Treatment Rule |
| MCL | maximum contaminant level |
| MGD | million gallons per day |
| MHI | median household income |
| MMD | municipal management district |
| Return to top | |
| MOR | monthly operating report |
| MOU | memorandum of understanding |
| M/R | monitoring and reporting |
| MRDL | maximum residual disinfectant level |
| MSR | municipal subdivision rules |
| MUD | municipal utility district |
| NARUC | National Association of Regulatory Utility Commissioners |
| NAWC | National Association of Water Companies |
| NOD | notice of deficiency |
| NOE | notice of enforcement |
| Return to top | |
| NOV | notice of violation |
| NPDES | National Pollution Discharge Elimination System |
| NRWA | National Rural Water Association |
| NSF | National Sanitation Federation |
| NTNC | non-transient non-community |
| NTU | nephelometric turbidity unit |
| O&M | operation and maintenance |
| OAG | Office of Attorney General |
| OCLD | original cost less depreciation |
| ORCA | Office of Rural Community Affairs |
| OWQP | optimal water quality parameter |
| Return to top | |
| PDW | public drinking water |
| PE | Professional Engineer or performance evaluation |
| PFAS | Per- and polyfluoroalkyl substances |
| PGMA | priority groundwater management area |
| PI | plumbing inspector |
| POU | point of use |
| POE | point of entry |
| PSA | public service announcement |
| psi | pounds per square inch |
| PT | pressure tank |
| PUC | Public Utility Commission |
| Return to top | |
| PW | purchased water |
| PWS | public water system |
| RA | river authority |
| RAA | running annual average |
| RG | regulatory guidance |
| RN | regulated entity number |
| RWPG | regional water planning group |
| SCE | sanitary control easement |
| SDWA | Safe Drinking Water Act |
| SOS | Secretary of State |
| SL | service line |
| SOWT | source water treatment |
| Return to top | |
| SP | service pump OR standpipe |
| STM | sale, transfer, merger |
| SUD | special utility district |
| SW | surface water |
| SWMOR | surface water monthly operating report |
| SWP | source water protection |
| SWTP | surface water treatment plant |
| SWTR | surface water treatment rule |
| T10 | effective contact time—the time in which 10% of a tracer material will have passed through a unit process. |
| TAC | Texas Administrative Code |
| Return to top | |
| TDHCA | Texas Department of Housing and Community Affairs |
| TDLR | Texas Department of Licensing & Registration (Well Driller's Board) |
| TDS | total dissolved solids |
| TEEX | Texas Engineering Extension Service |
| THM | trihalomethane |
| TMDL | total maximum daily load |
| TNC | transient non-community |
| T/O | taste and odor |
| TOC | total organic carbon |
| Return to top | |
| TOCMOR | Total Organic Carbon Monthly Operating Report |
| TPWD | Texas Parks and Wildlife Department |
| TRWA | Texas Rural Water Association |
| TSBPE | Texas State Board of Plumbing Examiners |
| TT | treatment technique |
| TTHM | total trihalomethanes |
| TWC | Texas Water Code |
| TWCA | Texas Water Conservation Association |
| TWDB | Texas Water Development Board |
| TWUA | Texas Water Utility Association |
| Return to top | |
| TxDOT | Texas Department of Transportation |
| USDA-RUS-RD | US Department of Agriculture, Rural Utility Service, Rural Development |
| USGS | United States Geological Survey |
| UV | ultraviolet |
| VA | vulnerability assessment |
| WCID | water control and improvement district |
| WDD | Water District Database |
| WQP | water quality parameter |
| WSC | water supply corporation |
| WSPS | water supply protection specialist |
| WTP or WTF | water treatment plant OR water treatment facility |
| WWTP or WWTF | wastewater treatment plant OR wastewater treatment facility |