Community Life
Beach Contamination


Beach Contamination

What does this measure?

The percentage of water samples from public and semi-public (i.e. campgrounds, hotels, country clubs) beaches tested by the Massachusetts Department of Public Health that were found to have greater levels of bacteria than what is considered safe for bathing.

Why is this important?

Essex County has many of the over 1,000 marine and freshwater public and semi-public bathing beaches in the state. Clean beach water helps to fuel tourism and provide recreation activities for residents, contributing to the overall well-being of the community.

How is our county doing?

In 2021, 13.5% of the water samples tested from local beaches exceeded the level of what is considered a safe amount of bacteria for bathing. This is higher than the state rate of 7.3% in 2021 and an increase from the County's rate of 5.5% in 2004. Within the county, Danvers, at 43.5%, had the highest rate in 2021 - with the next-highest rates of 42.6% in Saugus and 32.4% in Lynn.

How do we compare to similar counties?

Middlesex, MA, at 10%, had a lower rate of beach contamination than Essex County in 2021.

Notes about the data

No data available for Lake County, IL or Westchester County, NY.

Beach Contamination
200420052006200720082009201020112012201320142015201620172018201920202021
Essex County, MA5.5%6.2%6.4%5.7%8.3%10.5%8.9%9.0%5.5%7.7%5.6%6.8%4.3%4.3%7.6%8.8%10.7%13.5%
Amesbury9.7%0.0%5.4%0.0%4.9%3.6%1.6%1.4%0.0%4.2%0.0%6.3%1.7%4.0%5.6%12.0%9.4%13.1%
Beverly4.8%1.6%7.7%8.1%7.0%14.2%12.6%10.7%6.6%9.2%9.0%7.9%5.0%7.0%3.4%12.9%12.5%11.0%
Gloucester4.8%0.0%0.0%0.0%3.5%3.2%5.0%2.6%1.4%1.1%0.0%0.0%2.1%3.7%3.9%4.3%1.5%8.6%
Haverhill0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%8.3%18.2%7.7%0.0%0.0%
Lynn35.6%38.2%26.4%17.9%44.9%48.1%25.3%36.9%13.7%17.5%12.3%24.4%17.0%7.8%24.6%21.0%29.8%32.4%
Methuen3.3%1.8%0.0%4.9%17.4%0.0%0.0%0.0%0.0%0.0%8.3%0.0%0.0%0.0%0.0%0.0%0.0%0.0%
Newburyport0.0%0.0%0.0%0.0%0.0%3.1%0.0%7.1%0.0%0.0%8.8%0.0%0.0%0.0%0.0%0.0%0.0%3.9%
Salem5.9%7.8%11.5%9.9%1.7%7.0%6.1%4.5%2.0%5.8%3.5%4.5%0.0%7.2%4.0%10.8%11.6%4.8%
Andover0.0%3.1%4.8%4.4%4.2%0.0%0.0%5.7%0.0%7.7%0.0%1.6%1.7%1.7%0.0%0.0%2.4%0.0%
Boxford0.0%0.0%0.0%0.0%0.0%0.0%7.7%0.0%2.3%0.0%0.0%0.0%0.0%0.0%0.0%0.0%2.9%0.0%
Danvers10.5%42.1%22.2%28.6%7.7%16.7%17.6%26.7%14.3%13.3%12.5%10.5%6.3%16.7%25.0%11.1%28.6%43.5%
Essex11.3%2.0%2.1%4.8%7.5%0.0%6.3%8.8%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%4.8%0.0%
Georgetown18.2%31.6%4.5%7.1%9.5%5.6%12.5%5.0%10.0%0.0%0.0%0.0%5.3%0.0%4.8%0.0%0.0%0.0%
Ipswich0.0%0.0%0.0%2.6%0.0%2.9%4.2%2.9%0.0%3.4%3.4%0.0%0.0%1.7%1.7%5.3%0.0%4.5%
Manchester0.0%2.6%6.4%4.1%8.8%4.8%11.5%7.5%9.2%3.2%1.5%1.6%1.6%3.3%6.8%5.9%14.8%
Marblehead6.2%12.2%8.4%2.4%1.2%16.4%13.1%6.3%7.1%12.0%5.8%4.0%2.8%1.4%10.3%4.9%0.0%8.8%
Middleton7.1%0.0%9.1%7.1%6.7%0.0%0.0%6.3%0.0%0.0%17.6%11.8%0.0%0.0%12.5%0.0%0.0%0.0%
Nahant1.1%9.2%10.5%3.7%4.5%3.5%4.5%6.8%6.0%7.5%2.3%2.8%2.9%1.5%2.8%3.8%3.0%14.9%
Newbury0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%50.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%
North Andover2.4%4.5%2.4%5.0%7.3%15.6%11.5%3.8%0.0%22.2%14.3%3.7%0.0%2.4%9.1%6.3%31.3%28.8%
Rockport0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%8.3%0.0%0.0%0.0%2.5%2.5%2.5%6.5%15.1%
Salisbury0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%8.6%3.0%0.0%0.0%0.0%0.0%0.0%6.3%
Saugus17.2%13.3%16.7%3.3%18.9%5.9%12.1%27.7%21.6%9.4%18.9%8.6%3.3%18.9%3.3%25.0%28.3%42.6%
Swampscott0.0%7.7%3.4%7.6%3.2%9.7%12.0%10.0%7.8%5.4%1.4%7.7%2.7%5.3%11.3%7.7%2.7%8.6%
Topsfield0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%
Wenham0.0%0.0%6.7%0.0%18.8%15.4%21.4%7.1%0.0%0.0%4.2%0.0%0.0%0.0%3.7%0.0%2.8%0.0%
Middlesex County, MA4.3%6.1%4.2%3.0%6.2%2.3%4.9%6.9%3.0%5.3%3.9%5.5%3.4%4.8%6.5%6.1%8.9%10.0%
Massachusetts4.0%4.3%4.3%3.1%4.9%5.0%5.1%5.8%3.5%4.9%3.5%4.5%3.2%3.9%5.0%4.7%5.3%7.3%

Source: Massachusetts Department of Public Health
Notes: Rate represents the percent of samples exceeding bacteria threshold.




Number of Samples Exceeding Bacteria Threshold
200420052006200720082009201020112012201320142015201620172018201920202021
Essex County, MA79881029012214412813685122891137071129150183256
Amesbury304032110304123658
Beverly8211101020191681213127105202018
Gloucester5000224211002445210
Haverhill000000000000012100
Lynn212119175350393831412866462068557679
Methuen2108150000010000000
Newburyport000001040060000003
Salem131522193121083857011619229
Andover012330030501110010
Boxford000000101000000010
Danvers2864123422221352410
Essex711230230000000010
Georgetown461221312000101000
Ipswich000202320220011303
Manchester0385126151012422249722
Marblehead611821201375942218408
Middleton101110010032002000
Nahant1101345458811344245424
Newbury000000000020000000
North Andover11123531064101322117
Rockport0000000003000111313
Salisbury000000000031000002
Saugus5461724138373172121323
Swampscott073527986416249627
Topsfield00000000000000000
Wenham001032310010001010
Middlesex County, MA5269503568245478336343674260787491113
Massachusetts6036566844837587937899155437555257205066127767337851,171

Source: Massachusetts Department of Public Health




INDICATORS TREND | ESSEX COUNTY
People 65 or Older Living Alone Decreasing
Early Prenatal Care by Mother's Race/Ethnicity Not Applicable
Prevalence of Overweight Adults Not Applicable
Preterm Births Increasing
Infant Mortality Rate Maintaining
Children with Elevated Blood Lead Levels Decreasing
Children Living in Poverty Increasing
Children Living in Poverty by Race/Ethnicity Not Applicable
Disengaged Youth Maintaining
Live Births to Teen Mothers Decreasing
Youth Arrests Decreasing
Arts, Entertainment and Recreation Establishments Maintaining
Arts, Entertainment and Recreation Employment Maintaining
Tourism Spending Increasing
Voter Participation Rate Increasing
Charitable Contributions Maintaining
Protected Land Not Applicable
Days with Good Air Quality Increasing
Beach Contamination Increasing
Daily Water Use per Resident Decreasing
Crimes Against People Maintaining
Crimes Against Property Decreasing
Drug-Related Arrests Maintaining
Reports of Domestic Violence Increasing
Incarceration Rates Decreasing
Recidivism Decreasing
Households Without Vehicles Decreasing
Means of Transportation to Work Not Applicable
Traffic Injuries and Fatalities Maintaining
Households With Internet Access Not Applicable
Change in Total Population Increasing
Change in Population by Age/Sex Not Applicable
People with Disabilities Maintaining
Households by Type Not Applicable
Single-Parent Families by Sex Not Applicable
Single-Parent Families by Race/Ethnicity Not Applicable
Change in Population by Race/Ethnicity Not Applicable
Foreign-Born Population Increasing
Language Diversity Increasing
Change in Total Jobs Increasing
Change in Jobs by Sector Not Applicable
Change in Average Salary Increasing
Change in Average Salary by Sector Not Applicable
Average Salary by Sector Not Applicable
Median Earnings by Occupation by Gender Not Applicable
People Entering/Leaving County for Work Not Applicable
Employer Size Not Applicable
Self-Employment Revenue Increasing
Business Ownership by Race/Ethnicity Not Applicable
Unemployment Rate Increasing
Unemployment Rate by Race/Ethnicity Not Applicable
Prekindergarten Participation Not Applicable
Female Enrollment in School Not Applicable
Chronically Absent Students Increasing
Per-Student Spending Increasing
Bullying Decreasing
Student Performance on Grade 3 Reading Not Applicable
Student Performance on Grade 8 Math by Student Group Not Applicable
Student Performance on Grade 10 English Language Arts Not Applicable
Student Performance on Grade 10 Math Not Applicable
High School Cohort Graduation Rate Increasing
High School Cohort Graduation Rate by Student Group Not Applicable
Education Levels of Adults Not Applicable
Bachelor's Degree or Higher by Race/Ethnicity Not Applicable
Income in Relation to Poverty Level Not Applicable
People Living in Poverty by Race/Ethnicity Not Applicable
Median Household Income Increasing
Median Household Income by Race/Ethnicity Not Applicable
Median Household Income by Household Type Not Applicable
Living Wage Rate by Household Type Not Applicable
Access to Financial Services, by Race/Ethnicity Not Applicable
Households Receiving Temporary Assistance Increasing
Households Receiving Federal Food Assistance Increasing
Participation in Food Assistance by Race/Ethnicity Not Applicable
Earned Income Tax Credit Participation Decreasing
Economically Disadvantaged Students Increasing
Median Home Value Increasing
Cost of Homeownership Increasing
Cost of Renting Increasing
Homeownership Rates Maintaining
Homeownership Rates by Race/Ethnicity Not Applicable
Homeless Persons Maintaining
People Without Health Insurance Decreasing
Medical Care Expenses Increasing
Prevalence of Children with Asthma Maintaining
Prevalence of Overweight Children Maintaining
Diabetes Incidence Decreasing
Chronic Disease Among Older Adults Increasing
Cancer Incidence Decreasing
Cancer Mortality Rate Decreasing
Heart Disease Mortality Rate Decreasing
Mortality Rate Decreasing
People who Smoke Not Applicable
Use of Illegal Drugs Not Applicable
Youth Use of Illegal Drugs Not Applicable
Substance Abuse Treatment Admissions Not Applicable
Drug Overdose Mortality Rate Increasing
Prevalence of Mental Illness Maintaining
Suicide Rate Maintaining
Children Living in Poverty by Race/Ethnicity Not Applicable
Single-Parent Families by Race/Ethnicity Not Applicable
Change in Population by Race/Ethnicity Not Applicable
Unemployment Rate by Race/Ethnicity Not Applicable
Student Performance on Grade 3 Reading Not Applicable
Student Performance on Grade 8 Math by Student Group Not Applicable
Student Performance on Grade 10 English Language Arts Not Applicable
Student Performance on Grade 10 Math Not Applicable
High School Cohort Graduation Rate by Student Group Not Applicable
Bachelor's Degree or Higher by Race/Ethnicity Not Applicable
People Living in Poverty by Race/Ethnicity Not Applicable
Median Household Income by Race/Ethnicity Not Applicable
Participation in Food Assistance by Race/Ethnicity Not Applicable
Homeownership Rates by Race/Ethnicity Not Applicable