WaterVerge

Is Bingham, ME Tap Water Safe to Drink?

Graded B- — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

1K residents served 2 water systems PWSID: ME0090180
Overall Score
70.4 / 100
Violations
21 active
Last Updated
May 2026
Source
Groundwater
#142 of 168 in Maine Top 68% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B-GRADE
Water Quality Grade
70.4/100
waterverge.com
B- 70.4/100

Bingham, ME — Water Quality Report

Bingham's drinking water received a grade of B- (70.4 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 1,388 residents using groundwater.

Lead levels were measured at 3.5 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 60 violations on record, including 8 health-based violations. 21 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Bingham's water

Bingham ranks #142 out of 168 cities in Maine for water quality, placing it among the lowest-rated in the state.

Bingham 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, Bingham may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 9 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
70.4 out of 100 Grade B-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
29.4/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
14/20
C
Lead at 3.5 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Bingham, ME water safe to drink?

Concerns Identified

Bingham's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (70.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 1,388 residents using groundwater (wells).

21
Active Violations
3.5 ppb
Lead (90th %ile)
9 events
Disaster History

Recent water quality updates for Bingham

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Bingham's water quality assessment. Grade: B- (70.4/100).

Disaster
HURRICANE LEE

Federal disaster declaration (FEMA DR-3598). Hurricane event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: E. COLI.

Disaster
SEVERE STORM AND FLOODING

Federal disaster declaration (FEMA DR-4719). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
2 drinking water violations recorded

Contaminants: Public Notice.

Key contaminant findings

Based on the most recent EPA sampling data for Bingham's water supply.

Lead Within Limits
Detected: 3.5 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.73 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Bingham's water system has 60 total violations on record, including 8 health-based violations. 21 remain unresolved. 9 violations were issued in the last 5 years.

MROtherRPTMONTTMCL
Most recent violations:
Aug 2023 E. COLI Open
Jul 2023 Consumer Confidence Rule Open
Apr 2023 Public Notice Open
Apr 2023 Public Notice Open
Dec 2022 Lead and Copper Rule Open

Flood & environmental risk

Sagadahoc County has experienced 9 federally declared disasters since 1970. 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 Cobbosseecontee Stream At Gardiner, Maine, Kennebec River At Gardiner, Maine.

HURRICANE LEE
Hurricane FEMA DR-3598
SEVERE STORM AND FLOODING
Flood FEMA DR-4719
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3256

Where does Bingham's water come from?

Bingham's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 1,388 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Cobbosseecontee Stream At Gardiner, Maine (river), Kennebec River At Gardiner, Maine (stream).

What Bingham residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Bingham's water.

Request your utility's CCR

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.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Bingham'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.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
3.5 ppb
EPA Action Level: 15 ppb · 23% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.73 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

60
Total violations
8
Health-based
21
Active / unresolved
Aug 2023
Most recent violation
Compliance Record

Violations & advisories

60 Total
21 Active
8 Health-based
39 Resolved
Violations by category
Volatile Organic Chemicals
21
Total Coliform Rule
14
Lead and Copper Rule
8
Consumer Confidence Rule
5
Public Notice Rule and Revised PN Rule
4
Aug 2023 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Apr 2023 Active
Public Notice
Other Violation 0
Apr 2023 Active
Public Notice
Other Violation 0
Dec 2022 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Jun 2022 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Oct 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
Jul 2020 Active
Consumer Confidence Rule
Other Violation 0
Mar 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2019 Active
Consumer Confidence Rule
Other Violation 0
Apr 2019 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Jun 2003 Active
Public Notice
Other Violation 0
Jan 2003 Active
Public Notice
Other Violation 0
Jan 1997 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 1996 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1996 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Showing 20 of 60 violations
Environmental Risk

Drought conditions

D2 — severe drought

Somerset County is currently in D2 (severe 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.

14
Weeks at D2+ (current streak)
14.2%
Months in D2+ (last 30y)
14
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

9
Declared disasters
Sep 2023
Most recent
Flood
Most common type

Sagadahoc County has experienced 9 federally declared disasters since 1970. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2023
HURRICANE LEE
Hurricane FEMA #3598
Jul 2023
SEVERE STORM AND FLOODING
Flood FEMA #4719
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3256
Nov 1991
COASTAL STORM
Coastal Storm FEMA #921
Aug 1991
HURRICANE BOB & FLOODING
Hurricane FEMA #915
Apr 1987
SEVERE STORMS & FLOODING
Flood FEMA #788

Recommended water filters

Based on contaminants detected in Bingham's water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 3.5 15 ppb Inorganic Safe
Copper (90th percentile) 1.73 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has increased by 0.7 ppb from 1993 (1.0 ppb) to 2025 (1.7 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has increased by 0.330 mg/L from 2006 (1.400 mg/L) to 2019 (1.730 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,388
Water Systems
2
Source breakdown
Groundwater
1
Purchased Groundwater
1
Water Source

Where Bingham's water comes from

Groundwater

Bingham'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 1,388 people through 2 water systems.

Local Hydrology

Water bodies near Bingham

Bingham is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Cobbosseecontee Stream At Gardiner, Maine
river
Kennebec River At Gardiner, Maine
stream
Infrastructure

Water systems serving Bingham

System Name PWSID Population Source
BINGHAM WATER DISTRICT ME0090180 1,075 GW
MOSCOW WATER DISTRICT ME0091050 313 GWP
Regional Comparison

How Bingham compares

Full Maine rankings →

Bingham's score of 70.4/100 is below the average of 82/100 among major Maine cities. It outscores 2 of 10 nearby cities. 8 of 10 nearby cities score higher.

Bingham (this city)
70.4
Maine avg
82
City Profile

About Bingham, ME

Wikipedia →

Richmond is a town in Sagadahoc County, Maine, United States. The population was 3,522 at the 2020 census. The town contains the census-designated place of the same name. It is part of the Portland-South Portland-Biddeford metropolitan area, situated at the head of Merrymeeting Bay.

Economic Profile
$45,658
Median Income
$97,049
Median Home Value
$630/mo
Median Rent
3.7%
Unemployment
Community
55.7
Median Age
6
People / sq mi
12.2%
College Educated
86.1%
Homeownership
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Frequently asked questions

Is Bingham, ME tap water safe to drink?

Bingham's water quality earned a grade of B- (70.4/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #142 out of 168 cities tested in Maine.

What contaminants are in Bingham's water?

Lead was measured at 3.5 ppb (90th percentile). 60 violations are on record.

How is Bingham'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 Bingham?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Bingham's water come from?

Bingham's water is sourced from Groundwater. The city has 2 water systems serving approximately 1,388 residents.

What health violations has Bingham's water system had?

Bingham has 8 health-based violations on record. The most recent violation was recorded in August 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 21 violations remain unresolved.

Is Bingham's groundwater at risk of contamination?

Bingham 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 60 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 Bingham's water compare to other cities?

Bingham ranks #142 out of 168 cities in Maine (better than 15% of state cities) and #10743 out of 15744 cities nationally (32th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.