Is Hardwick, MA Tap Water Safe to Drink?
Graded C+ — but Lead and Copper were detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
65/100
Hardwick, MA — Water Quality Report
Hardwick's drinking water received a grade of C+ (65 out of 100), indicating fair water quality. The city's 4 water systems serve approximately 1,769 residents using groundwater.
Lead levels were measured at 16.4 ppb (90th percentile), which exceeds the EPA action level of 15 ppb. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 146 violations on record, including 10 health-based violations. 16 remain unresolved.
What to know about Hardwick's water
Hardwick ranks #244 out of 280 cities in Massachusetts for water quality, placing it among the lowest-rated in the state.
Hardwick 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.
Lead levels exceed the EPA action level of 15 ppb, which typically indicates aging lead service lines or lead solder in the distribution system. An NSF 53-certified filter is strongly recommended for drinking and cooking water.
As a small community water system, Hardwick may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Hardwick, MA water safe to drink?
Hardwick's drinking water has significant quality concerns based on EPA testing data. With a grade of C+ (65/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 4 water systems serve approximately 1,769 residents using groundwater (wells).
Recent water quality updates for Hardwick
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Hardwick's water quality assessment. Grade: C+ (65/100).
Federal disaster declaration (FEMA DR-4780). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3599). Hurricane event — may have impacted local water infrastructure.
Contaminants: Lead and Copper Rule.
1 health-based. Contaminants: Revised Total Coliform Rule.
1 health-based. Contaminants: Revised Total Coliform Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Hardwick's water supply.
Exceeds EPA action level. Lead service line replacement and point-of-use filtration recommended.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
Hardwick's water system has 146 total violations on record, including 10 health-based violations. 16 remain unresolved.
Flood & environmental risk
Worcester 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 Ware River, East Branch Swift River, Swift River, Quaboag River.
Where does Hardwick's water come from?
Hardwick's drinking water comes from groundwater (wells), supplied by 4 water systems serving approximately 1,769 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Ware River (river), East Branch Swift River (river), Swift River (river), Quaboag River (river).
What Hardwick residents can do
Recommended: NSF 53-certified pitcher or under-sink filter. This addresses the specific contaminants found in Hardwick'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.
Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.
Hardwick'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
Worcester 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 Hardwick'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. | 16.4 | 15 | ppb | Inorganic | Over Limit |
| 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. | 2.86 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level trend (90th percentile)
See how Hardwick compares by contaminant
Explore where Hardwick ranks among all Massachusetts cities for specific contaminants.
Water source & infrastructure
Where Hardwick's water comes from
Hardwick'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 local government ownership and serves approximately 1,769 people through 4 water systems.
Water bodies near Hardwick
Hardwick is located near 4 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Hardwick
| System Name | PWSID | Population | Source |
|---|---|---|---|
| GILBERTVILLE WATER DISTRICT | MA1124001 | 1,089 | GW |
| WHEELWRIGHT WATER DISTRICT | MA1124002 | 300 | GW |
| EAGLE HILL SCHOOL | MA1124003 | 300 | GW |
| HARDWICK CENTER WATER DISTRICT | MA1124000 | 80 | GW |
How Hardwick compares
Full Massachusetts rankings →Hardwick's score of 65/100 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 Hardwick, MA
Wikipedia →Gilbertville is an unincorporated village in the town of Hardwick, Worcester County, Massachusetts, United States, approximately 20 miles west of the city of Worcester. The Gilbertville Historic District and Ware–Hardwick Covered Bridge, which traverses the Ware River, are within the village. The ZIP Code for Gilbertville is 01031.
Learn more about your water
Guides and resources related to Hardwick's water quality findings.
Explore water quality across Worcester
Frequently asked questions
Is Hardwick, MA tap water safe to drink?
Hardwick's water quality earned a grade of C+ (65/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #244 out of 280 cities tested in Massachusetts.
What contaminants are in Hardwick's water?
Lead was measured at 16.4 ppb (90th percentile). 146 violations are on record.
How is Hardwick'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 Hardwick?
Yes — lead levels exceed the EPA action level of 15 ppb. We recommend an NSF 53-certified filter or reverse osmosis system. Based on current data, basic filtration should suffice for additional peace of mind.
Where does Hardwick's water come from?
Hardwick's water is sourced from Groundwater. The city has 4 water systems serving approximately 1,769 residents.
What health violations has Hardwick's water system had?
Hardwick has 10 health-based violations on record. The most recent violation was recorded in June 2018. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 16 violations remain unresolved.
Is Hardwick's groundwater at risk of contamination?
Hardwick 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 146 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 Hardwick's water compare to other cities?
Hardwick ranks #244 out of 280 cities in Massachusetts (better than 13% of state cities) and #11592 out of 15744 cities nationally (26th percentile). The grade of C+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.