BEACH Program

2016 BEACH Program Report

Jefferson County

Three beaches in Jefferson County were monitored weekly from May 25 through August 31, 2016. All Jefferson County beaches that were sampled had good water quality with little to no bacteria present during most sampling events. Results are presented in the following table. Details on each beach are presented in the text below.

Bacteria Results Compared to Standards Geometric Mean 90th Percentile
EPA Swimming Standard ≤ 35 ≤ 276
Fort Worden State Park 11 17
Irondale Beach Park 16 27
Oak Bay County Park 20 56

Fort Worden State Park Beach

Fort Worden State Park Beach

Fort Worden State Park Beach

Port Townsend Marine Science Center volunteers sampled this beach 15 times during the swimming season. This beach had very good water quality and met swimming standards during all periods sampled.

On May 4, 2016 BEACH Program staff conducted a shoreline survey at this beach.


Irondale Beach Park

During the monitoring period this beach was sampled 15 times during the swimming season. This beach has a permanent swim advisory due to high levels of bacteria in Irondale Creek. During 2016, this beach had very good water quality, meeting swimming standards during all weeks sampled.

Jefferson County has conducted additional sampling in the Irondale area and corrected septic system issues. They have observed improved water quality in Irondale Creek and will consider removing the permanent advisory for the 2017 season if bacterial water quality standards are not exceeded.


On June 28, 2016, BEACH Program staff conducted a shoreline survey at this beach. Recommendations were to add a garbage can at the south end of the beach path due to observed litter and to add a monitoring site at the mouth of Irondale Creek to the routine BEACH Program sampling.

Oak Bay County Park Beach

Oak Bay County Park Beach

Oak Bay County Park Beach

During the 2016 swim season, Oak Bay County Park beach had good water quality. On July 27th this beach had sampling results in the advisory range, but subsequent sampling showed that bacteria levels had dropped into the safe swimming range.


Other counties: Clallam |Grays Harbor | Island | Jefferson | King | Kitsap | Mason | Pierce | Skagit | Snohomish | Thurston | Whatcom