Is Berlin, MA Tap Water Safe to Drink?
Graded C — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
60.4/100
Berlin, MA — Water Quality Report
Berlin's drinking water received a grade of C (60.4 out of 100), indicating fair water quality. The city's 7 water systems serve approximately 2,052 residents using groundwater.
Lead levels were measured at 0.6 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 416 violations on record, including 4 health-based violations. 26 remain unresolved.
What to know about Berlin's water
Berlin ranks #255 out of 280 cities in Massachusetts for water quality, placing it among the lowest-rated in the state.
Berlin relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
As a small community water system, Berlin may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 6 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Berlin, MA water safe to drink?
Berlin's drinking water has significant quality concerns based on EPA testing data. With a grade of C (60.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 7 water systems serve approximately 2,052 residents using groundwater (wells).
Recent water quality updates for Berlin
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Berlin's water quality assessment. Grade: C (60.4/100).
Contaminants: Lead and Copper Rule.
Contaminants: Lead and Copper Rule.
Contaminants: Revised Total Coliform Rule.
Federal disaster declaration (FEMA DR-3599). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-4097). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Berlin's water supply.
Well within EPA limits.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
Berlin's water system has 416 total violations on record, including 4 health-based violations. 26 remain unresolved. 6 violations were issued in the last 5 years.
Flood & environmental risk
Barnstable County has experienced 10 federally declared disasters since 1991. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Herring River.
Where does Berlin's water come from?
Berlin's drinking water comes from groundwater (wells), supplied by 7 water systems serving approximately 2,052 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Herring River (river).
What Berlin residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Berlin's water.
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Berlin's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Drought conditions
D1 — moderate droughtWorcester County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Barnstable County has experienced 10 federally declared disasters since 1991. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Berlin's water supply, we recommend the following filter types.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.6 | 15 | ppb | Inorganic | Safe |
| Copper (90th percentile) CopperInorganic A metal that enters drinking water mainly through corrosion of copper plumbing. Small amounts are essential for health, but excess levels are harmful. Health EffectsGastrointestinal distress (nausea, vomiting, diarrhea) at short-term high levels; liver and kidney damage from long-term exposure. EPA Limit1.3 mg/L action level Common SourcesCorrosion of copper household plumbing, erosion of natural deposits. | 1.40 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level trend (90th percentile)
See how Berlin compares by contaminant
Explore where Berlin ranks among all Massachusetts cities for specific contaminants.
Water source & infrastructure
Where Berlin's water comes from
Berlin's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by private ownership and serves approximately 2,052 people through 7 water systems.
Water bodies near Berlin
Berlin is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Berlin
| System Name | PWSID | Population | Source |
|---|---|---|---|
| RIVERBRIDGE | MA2028020 | 1,330 | GW |
| SAWYER HILL ECOVILLAGE | MA2028017 | 272 | GW |
| MEADOWBROOK VILLAGE CONDOMINIUMS | MA2028012 | 150 | GW |
| HIGHLAND RIDGE CONDOMINIUMS | MA2028022 | 132 | GW |
| NORTHBROOK VILLAGE II | MA2028018 | 80 | GW |
| NORTHBROOK VILLAGE I / BERLIN RET. | MA2028007 | 48 | GW |
| WHITNEY ESTATES CONDOMINIUMS | MA2028015 | 40 | GW |
How Berlin compares
Full Massachusetts rankings →Berlin's score of 60.4/100 is below the average of 80/100 among major Massachusetts cities. It outscores 1 of 10 nearby cities. 9 of 10 nearby cities score higher.
Nearby cities
View Massachusetts rankings →About Berlin, MA
Wikipedia →Brewster is a town on Cape Cod in Massachusetts. The population of Brewster was 10,318 at the 2020 census. It contains the census-designated place of the same name.
Learn more about your water
Guides and resources related to Berlin's water quality findings.
Explore water quality across Worcester
Frequently asked questions
Is Berlin, MA tap water safe to drink?
Berlin's water quality earned a grade of C (60.4/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #255 out of 280 cities tested in Massachusetts.
What contaminants are in Berlin's water?
Lead was measured at 0.6 ppb (90th percentile). 416 violations are on record.
How is Berlin's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Berlin?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Berlin's water come from?
Berlin's water is sourced from Groundwater. The city has 7 water systems serving approximately 2,052 residents.
What health violations has Berlin's water system had?
Berlin has 4 health-based violations on record. The most recent violation was recorded in December 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 26 violations remain unresolved.
Is Berlin's groundwater at risk of contamination?
Berlin uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 416 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Berlin's water compare to other cities?
Berlin ranks #255 out of 280 cities in Massachusetts (better than 9% of state cities) and #12090 out of 15744 cities nationally (23th percentile). The grade of C reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.