Is Brookfield, CT Tap Water Safe to Drink?
Graded D+, with 126 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
50/100
waterverge.com Brookfield, CT — Water Quality Report
Brookfield's drinking water received a grade of D+ (50 out of 100), indicating poor water quality. The city's 13 water systems serve approximately 4,787 residents using groundwater.
Lead levels were measured at 2.8 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 791 violations on record, including 56 health-based violations. 126 remain unresolved.
What to know about Brookfield's water
Brookfield ranks #90 out of 158 cities in Connecticut for water quality, placing it below average in the state.
Brookfield 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.
The system has seen 117 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Brookfield, CT water safe to drink?
Brookfield's drinking water has significant quality concerns based on EPA testing data. With a grade of D+ (50/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 13 water systems serve approximately 4,787 residents using groundwater (wells).
Recent water quality updates for Brookfield
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Brookfield's water quality assessment. Grade: D+ (50/100).
Contaminants: Consumer Confidence Rule.
Contaminants: Public Notice.
Contaminants: Public Notice.
Key contaminant findings
Based on the most recent EPA sampling data for Brookfield's water supply.
Well within EPA limits.
Violation history
Brookfield's water system has 791 total violations on record, including 56 health-based violations. 126 remain unresolved. 117 violations were issued in the last 5 years.
Where does Brookfield's water come from?
Brookfield's drinking water comes from groundwater (wells), supplied by 13 water systems serving approximately 4,787 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Still River (river), Pootatuck River (river), Saugatuck River (river), Saugatuck R Below Saugatuck Res Nr Lyons Plain (river), Aspetuck River (river).
What Brookfield residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Brookfield'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.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
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. | 2.8 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Brookfield compares by contaminant
Explore where Brookfield ranks among all Connecticut cities for specific contaminants.
Water source & infrastructure
Where Brookfield's water comes from
Brookfield'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 4,787 people through 13 water systems.
Water bodies near Brookfield
Brookfield is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Brookfield
| System Name | PWSID | Population | Source |
|---|---|---|---|
| CANDLEWOOD SHORES TAX DISTRICT | CT0180061 | 1,315 | GW |
| AQUARION-BALL POND | CT0910011 | 629 | GW |
| CANDLEWOOD KNOLLS WATER AUTHORITY | CT0910591 | 524 | GW |
| AQUARION-NEW FAIRFIELD | CT0915221 | 406 | GW |
| KNOLLCREST TAX DISTRICT | CT0910081 | 356 | GW |
| AQUARION-TIMBER TRAILS | CT1270021 | 310 | GW |
| AQUARION-POSSUM RIDGE | CT0910041 | 307 | GW |
| ARROWHEAD POINT HOMEOWNERS ASSN INC. | CT0180091 | 296 | GW |
| AQUARION-OAKWOOD ACRES | CT0910031 | 286 | GW |
| CANDLEWOOD ORCHARDS PROPERTY OWNERS CORP | CT0180181 | 144 | GW |
| AQUARION-FIELDSTONE RIDGE | CT0910021 | 84 | GW |
| AQUARION-BIRCHES | CT0911091 | 66 | GW |
| AQUARION-INTERLAKEN | CT0911061 | 64 | GW |
How Brookfield compares
Full Connecticut rankings →Brookfield's score of 50/100 is on par with the average of 47/100 among major Connecticut cities. It outscores 7 of 10 nearby cities.
Nearby cities
View Connecticut rankings →Learn more about your water
Guides and resources related to Brookfield's water quality findings.
Explore water quality across Fairfield
Frequently asked questions
Is Brookfield, CT tap water safe to drink?
Brookfield's water quality earned a grade of D+ (50/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #90 out of 158 cities tested in Connecticut.
What contaminants are in Brookfield's water?
Lead was measured at 2.8 ppb (90th percentile). 791 violations are on record.
How is Brookfield'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 Brookfield?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Brookfield's water come from?
Brookfield's water is sourced from Groundwater. The city has 13 water systems serving approximately 4,787 residents.
What health violations has Brookfield's water system had?
Brookfield has 56 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 126 violations remain unresolved.
Is Brookfield's groundwater at risk of contamination?
Brookfield 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 791 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 Brookfield's water compare to other cities?
Brookfield ranks #90 out of 158 cities in Connecticut (better than 43% of state cities) and #13069 out of 15744 cities nationally (17th percentile). The grade of D+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.