Climate Change and Onsite Wastewater Treatment Systems in the Coastal Carolinas
Perspectives from Wastewater Managers
Bibliographic Data
| ID | 22332298 |
|---|---|
| Authors | Lauren Vorhees (0000-0002-9758-6874, North Carolina State University), Jane Harrison (0000-0002-8162-088X, a North Carolina Sea Grant, North Carolina State University, North Carolina), Jane L Harrison (0000-0001-5956-4108, North Carolina State University, corresponding author), Michael O’Driscoll (0000-0002-7486-7956, East Carolina University), Charles Humphrey (0000-0003-2664-4763, East Carolina University), Jared H Bowden (0000-0002-1677-4292, North Carolina State University), Jared Bowden (North Carolina State University) |
| Year | 2022 |
| Volume | 14 |
| Issue | 4 |
| Pages | 1287-1305 |
| Publication date | 2022-10-01 |
| Open Access | No |
| Type | ARTICLE |
| Venue | Weather, Climate, and Society (JOURNAL) |
| Journal identifiers | ISSN: 1948-8327 • E-ISSN: 1948-8335 |
| Publisher | American Meteorological Society (PUBLISHER • US) |
| DOI | 10.1175/wcas-d-21-0192.1 |
| OpenAlex | W4296709608 |
| Language | EN |
| Citations received | 1 |
| References cited | 7 |
Nearly one-half of the residents of North and South Carolina use decentralized or onsite wastewater treatment systems (OWTS). As the climate changes, coastal communities relying on OWTS are particularly vulnerable, as soil-based wastewater treatment may be reduced by water inundation from storm surge, sea level rise and associated groundwater rise, and heavy rainfall. Despite the vulnerabilities of OWTS to increased precipitation and sea level rise, there is little known about how onsite wastewater managers are responding to current and future climate risks. We conducted interviews with wastewater operators and installers and health regulators to understand the functioning, management, and regulation of OWTS in the current climate, challenges with rising sea levels and increases in extreme weather events, and what adaptation strategies could be implemented to mitigate negative impacts. Our results indicate that heavy precipitation and storm surges cause malfunctions for conventional septic systems where traditional site variables (e.g., soil type or groundwater level) are undesirable. Weather and climate are not required regulatory factors to consider in system selection and site approval, but many OWTS managers are aware of their impacts on the functioning of systems, and some are preemptively taking action to mitigate those impacts. Our findings suggest that filling gaps in the current communication structure between regulators and homeowners relying on OWTS is critical for coastal communities in the Carolinas to build climate resilience into decentralized wastewater infrastructure
Climate change · Environmental planning · Environmental resource management · Geography · Meteorology · Sewage treatment · Storm · Storm surge · Wastewater · Environmental Science · Water-Energy-Food Nexus Studies · Environmental Engineering · Oceanography
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| Citations per year | 1 |
|---|---|
| Citation span | 2025 - 2025 (1) |
| Highly cited | No |