Chlorine disinfection: wastewater treatment plants in West Virginia
37 plants · 16% of the state · 47 MGD reported by 35 plants
Klarifi identifies 37 publicly owned wastewater treatment plants with chlorine disinfection in West Virginia, 16% of the 228 plants in the state (47 MGD reported by 35 plants). The largest is Huntington WWTP in Huntington at 10.72 MGD.
Chlorine or chloramine disinfection, often followed by dechlorination before discharge, remains the most common effluent disinfection in the United States. Plants on gas chlorine are candidates for conversion to hypochlorite or UV, a recurring capital project driven by safety rules and permit limits on residual chlorine.
The largest plants with chlorine disinfection in West Virginia
| # | Facility | City | Avg flow (MGD) | NPDES permit | Expires | Violations (3y) |
|---|---|---|---|---|---|---|
| 1 | Huntington WWTP | Huntington | 10.72 | WVL023159 | Dec 2030 | 72 |
| 2 | City Of Wheeling - Water Pollution Control Division | Wheeling | 6.65 | WV0023230 | Jun 2010 | 130 |
| 3 | Fairmont Wastewater Treatment Plant | Fairmont | 6.18 | WVL023353 | Dec 2030 | 52 |
| 4 | Clarksburg Sanitary Bd | Clarksburg | 5.7 | WV0023302 | Apr 2015 | 584 |
| 5 | Parkersburg Utility Board | Parkersburg | 5.53 | WVL023213 | Dec 2030 | 3 |
| 6 | Malden Public Service District | Charleston | 1.99 | WVL050610 | Dec 2030 | 0 |
| 7 | Rocky Fork Wastewater Plant | Cross Lanes | 1.44 | WVL037486 | Dec 2030 | 15 |
| 8 | Nitro WWTP | Nitro | 1.15 | WVL023299 | Dec 2030 | 338 |
| 9 | Oak Hill, City Of | Oak Hill | 0.88 | WV0020281 | May 2014 | 247 |
| 10 | White Oak Psd | Scarbro | 0.7 | WV0044041 | Feb 2014 | 3 |
Contacts and project signals for every plant on this list
Klarifi adds verified decision-maker contacts, permit limits, discharge monitoring data and the capital projects planned in each city, filterable by technology, size and compliance record.
Other technologies in West Virginia
Chlorine disinfection in other states
Chlorine disinfection in West Virginia: questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed October 26, 2026.
Wastewater terms: Tertiary treatment · Ozonation · WWTP · Equalization tank · Centrate · all terms