Station Name: West Branch White Clay Creek near Chesterville, PA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 190 feet

Nearest Address:
226 N Creek Rd
Landenberg, PA 19350
Chester County

GPS Coordinates: 39.76566619, -75.7960492

Nearby Water Temperatures

Air Quality Alert issued May 18 at 8:06AM EDT by NWS Mount Holly NJ

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon May 18, 2026, 8:06 AM
Expires: Tue May 19, 2026, 12:00 AM

The Pennsylvania Department of Environmental Protection has issued a Code Orange Air Quality Action Day for Ground Level Ozone, until midnight EDT tonight. An Air Quality Action Day means that air quality within the region may approach or exceed unhealthy standards. For more information on current and forecast concentrations of ground-level ozone and fine particulates, visit www.airnow.gov or www.aqpartners.state.pa.us

Air Quality Alert issued May 17 at 4:40PM EDT by NWS Baltimore MD/Washington DC

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Sun May 17, 2026, 4:40 PM
Expires: Tue May 19, 2026, 12:00 AM

The Maryland Department of the Environment has issued a Code ORANGE Air Quality Alert Monday for Northeast Maryland. A Code Orange Air Quality Alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children, people suffering from asthma, heart disease or other lung diseases and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles visit the web site mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx.

Heat Advisory issued May 18 at 2:52AM EDT until May 19 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Mon May 18, 2026, 2:52 AM
Expires: Mon May 18, 2026, 4:15 PM

* WHAT...Heat index values up to 97 degrees expected. * WHERE...In New Jersey, Mercer, Camden, Gloucester, and Northwestern Burlington Counties. In Pennsylvania, Delaware, Eastern Montgomery, Lower Bucks, and Philadelphia Counties. * WHEN...From noon today to 8 PM EDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Record setting temperatures possible through Wednesday. Tuesday will likely be the hottest day with highs in the mid 90s throughout the urban corridor.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Air Quality Alert issued May 17 at 4:40PM EDT by NWS Baltimore MD/Washington DC

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Sun May 17, 2026, 4:40 PM
Expires: Tue May 19, 2026, 12:00 AM

The Maryland Department of the Environment has issued a Code ORANGE Air Quality Alert Monday for Northern Baltimore. A Code Orange Air Quality Alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children, people suffering from asthma, heart disease or other lung diseases and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles visit the web site mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx.

Air Quality Alert issued May 17 at 4:40PM EDT by NWS Baltimore MD/Washington DC

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Sun May 17, 2026, 4:40 PM
Expires: Tue May 19, 2026, 12:00 AM

The Maryland Department of the Environment has issued a Code ORANGE Air Quality Alert Monday for the Baltimore City Metro and Annapolis region. A Code Orange Air Quality Alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children, people suffering from asthma, heart disease or other lung diseases and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles visit the web site mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx.