WaterVerge

Is Lincoln, DE Tap Water Safe to Drink?

Graded B+, with 11 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

1K residents served 4 water systems PWSID: DE0000254
Overall Score
82.1 / 100
Violations
11 active
Last Updated
May 2026
Source
Groundwater
#17 of 43 in Delaware Top 46% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
82.1/100
waterverge.com
B+ 82.1/100

Lincoln, DE — Water Quality Report

Lincoln's drinking water received a grade of B+ (82.1 out of 100), indicating good water quality. The city's 4 water systems serve approximately 1,077 residents using groundwater.

Lead levels were measured at 0.0 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 37 violations on record, including 20 health-based violations. 11 remain unresolved.

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

What to know about Lincoln's water

Lincoln ranks #17 out of 43 cities in Delaware for water quality, placing it mid-range in the state.

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

Quality Breakdown

Water quality score

See methodology →
82.1 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
35.1/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 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 Lincoln, DE water safe to drink?

Concerns Identified

Lincoln's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (82.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 4 water systems serve approximately 1,077 residents using groundwater (wells).

11
Active Violations
0.0 ppb
Lead (90th %ile)
8 events
Disaster History

Recent water quality updates for Lincoln

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Lincoln's water quality assessment. Grade: B+ (82.1/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
2 drinking water violations recorded

1 health-based. Contaminants: Public Notice, Revised Total Coliform Rule.

Violation
3 drinking water violations recorded

Contaminants: Consumer Confidence Rule.

Disaster
HURRICANE SANDY

Federal disaster declaration (FEMA DR-4090). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE SANDY

Federal disaster declaration (FEMA DR-3357). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Lincoln's water system has 37 total violations on record, including 20 health-based violations. 11 remain unresolved. 3 violations were issued in the last 5 years.

MROtherMCL
Most recent violations:
Jun 2024 Lead and Copper Rule Open
May 2024 Public Notice Open
May 2024 Revised Total Coliform Rule Resolved
Jul 2016 Consumer Confidence Rule Open
Jul 2016 Consumer Confidence Rule Open

Flood & environmental risk

Sussex County has experienced 8 federally declared disasters since 1992. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

HURRICANE SANDY
Hurricane FEMA DR-4090
HURRICANE SANDY
Hurricane FEMA DR-3357
HURRICANE IRENE
Hurricane FEMA DR-4037

Where does Lincoln's water come from?

Lincoln's drinking water comes from groundwater (wells), supplied by 4 water systems serving approximately 1,077 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Lincoln residents can do

Install a water filter

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

Monitor alerts during storms

Lincoln'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
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

37
Total violations
20
Health-based
11
Active / unresolved
Jun 2024
Most recent violation
Compliance Record

Violations & advisories

37 Total
11 Active
20 Health-based
26 Resolved
Violations by category
Nitrate Rule
11
Total Coliform Rule
9
Consumer Confidence Rule
7
Lead and Copper Rule
6
Public Notice Rule and Revised PN Rule
1
Jun 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
May 2024 Active
Public Notice
Other Violation 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Jan 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 1993 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 1993 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
May 2024 Resolved
Revised Total Coliform Rule
Max Contaminant Level
Health-Based Health Resolved May 2024
Jan 2012 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2012
Jul 2010 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2010
Jun 2010 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 2010
May 2010 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved May 2010
Apr 2010 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Apr 2010
Dec 2009 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Dec 2009
Nov 2009 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2009
Jan 2006 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Mar 2006
Showing 20 of 37 violations
Industrial pollution

Top industrial polluters within 10 miles of Lincoln

Industrial polluters nearby

Reported releases to surface water by facilities near Lincoln, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
DENTSPLY SIRONA - MILFORD SITE
Miscellaneous Manufacturing · DENTSPLY SIRONA INC
MILFORD, DE19963
3.7 mi
PERDUE FOODS LLC - MILFORD PROCESSING PLANT
Food · PERDUE FARMS INC
MILFORD, DE19963
3.7 mi
BALTIMORE AIRCOIL CO
Machinery · AMSTED INDUSTRIES INC
MILFORD, DE19963
4.6 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D2 — severe drought

Sussex 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.

1
Weeks at D2+ (current streak)
13.1%
Months in D2+ (last 30y)
1
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

8
Declared disasters
Nov 2012
Most recent
Hurricane
Most common type

Sussex County has experienced 8 federally declared disasters since 1992. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Nov 2012
HURRICANE SANDY
Hurricane FEMA #4090
Oct 2012
HURRICANE SANDY
Hurricane FEMA #3357
Sep 2011
HURRICANE IRENE
Hurricane FEMA #4037
Aug 2011
HURRICANE IRENE
Hurricane FEMA #3336
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3263
Sep 2003
HURRICANE ISABEL
Hurricane FEMA #1494

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 0.0 ppb from 1993 (0.0 ppb) to 2024 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Private
Population Served
1,077
Water Systems
4
Water Source

Where Lincoln's water comes from

Groundwater

Lincoln'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 1,077 people through 4 water systems.

Infrastructure

Water systems serving Lincoln

System Name PWSID Population Source
CEDAR VILLAGE LLC DE0000254 600 GW
CROSSWINDS MHP, LLC DE0001254 210 GW
MEADOWS AT CUBBAGE POND DE00A0212 201 GW
EDS MOBILE HOME PARK DE0000615 66 GW
Regional Comparison

How Lincoln compares

Full Delaware rankings →

Lincoln's score of 82.1/100 is above the average of 74/100 among major Delaware cities. It outscores 9 of 10 nearby cities.

Lincoln (this city)
82.1
Bear
79
Bear
79
Wilmington
79.5
New Castle
71.7
Delaware avg
74
City Profile

About Lincoln, DE

Wikipedia →

Rehoboth Beach is a city on the Atlantic Ocean along the Delaware Beaches in eastern Sussex County, Delaware, United States. As of 2020, its population was 1,108. Along with the neighboring coastal town of Lewes, Rehoboth Beach is one of the principal cities of Delaware's rapidly growing Cape Region. Rehoboth Beach lies within the Salisbury metropolitan area.

Economic Profile
$147,273
Median Income
$1,247,971
Median Home Value
$1,344/mo
Median Rent
7%
Unemployment
Community
64.1
Median Age
446
People / sq mi
69%
College Educated
85%
Homeownership
Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail

Frequently asked questions

Is Lincoln, DE tap water safe to drink?

Lincoln's water quality earned a grade of B+ (82.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #17 out of 43 cities tested in Delaware.

What contaminants are in Lincoln's water?

Lead was measured at 0.0 ppb (90th percentile). 37 violations are on record.

How is Lincoln'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 Lincoln?

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

Where does Lincoln's water come from?

Lincoln's water is sourced from Groundwater. The city has 4 water systems serving approximately 1,077 residents.

What health violations has Lincoln's water system had?

Lincoln has 20 health-based violations on record. The most recent violation was recorded in June 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 11 violations remain unresolved.

Is Lincoln's groundwater at risk of contamination?

Lincoln 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 37 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 Lincoln's water compare to other cities?

Lincoln ranks #17 out of 43 cities in Delaware (better than 60% of state cities) and #7172 out of 15744 cities nationally (54th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.