WaterVerge

Is Linden, IN Tap Water Safe to Drink?

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

759 residents served 1 water system PWSID: IN5254007
Overall Score
48.9 / 100
Violations
11 active
Last Updated
May 2026
Source
Groundwater
#386 of 414 in Indiana Top 85% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
DGRADE
Water Quality Grade
48.9/100
waterverge.com
D 48.9/100

Linden, IN — Water Quality Report

Linden's drinking water received a grade of D (48.9 out of 100), indicating poor water quality. The city's 1 water system serves approximately 759 residents using groundwater.

Lead levels were measured at 4.0 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 91 violations on record, including 2 health-based violations. 11 remain unresolved.

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

What to know about Linden's water

Linden ranks #386 out of 414 cities in Indiana for water quality, placing it among the lowest-rated in the state.

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

The system has seen 48 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
48.9 out of 100 Grade D
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
5.9/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
13/20
C
Lead at 4.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Linden, IN water safe to drink?

Concerns Identified

Linden's drinking water has significant quality concerns based on EPA testing data. With a grade of D (48.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 759 residents using groundwater (wells).

11
Active Violations
4.0 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Linden

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Linden's water quality assessment. Grade: D (48.9/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING

Federal disaster declaration (FEMA DR-4882). Flood event — may have impacted local water infrastructure.

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3238). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 4.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.39 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

Linden's water system has 91 total violations on record, including 2 health-based violations. 11 remain unresolved. 48 violations were issued in the last 5 years.

OtherMRTT
Most recent violations:
Oct 2025 Consumer Confidence Rule Open
Jul 2025 TTHM Resolved
Jul 2025 Total Haloacetic Acids (HAA5) Resolved
Jan 2025 TTHM Resolved
Jan 2025 Total Haloacetic Acids (HAA5) Resolved

Flood & environmental risk

Montgomery County has experienced 4 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 Sugar Creek.

SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA DR-4882
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3238
BLIZZARD OF 96
Flood FEMA DR-1109

Where does Linden's water come from?

Linden's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 759 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Sugar Creek (river).

What Linden residents can do

Install a water filter

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

Linden'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
4.0 ppb
EPA Action Level: 15 ppb · 27% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.39 mg/L
EPA Action Level: 1.3 mg/L · +7% over limit
Exceeds Limit
Compliance Record

Violation summary

91
Total violations
2
Health-based
11
Active / unresolved
Oct 2025
Most recent violation
Compliance Record

Violations & advisories

91 Total
11 Active
2 Health-based
80 Resolved
Violations by category
Volatile Organic Chemicals
42
Stage 2 Disinfectants and Disinfection Byproducts Rule
12
Inorganic Chemicals
11
Lead and Copper Rule
10
Total Coliform Rule
7
Oct 2025 Active
Consumer Confidence Rule
Other Violation 0
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Jan 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2000 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2000 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Jan 2000 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 1995 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Jul 1995 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1995 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2025 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2025
Jul 2025 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2025
Jan 2025 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2025
Jan 2025 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2025
Oct 2024 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Oct 2024 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Oct 2024 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jan 2024 Resolved
CHLOROBENZENE
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jan 2024 Resolved
Benzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Showing 20 of 91 violations
Industrial pollution

Top industrial polluters within 10 miles of Linden

Industrial polluters nearby

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

Total reported releases to surface water: 3 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
RAYBESTOS POWERTRAIN LLC
Transportation Equipment · RAYBESTOS POWERTRAIN LLC
CRAWFORDSVILLE, IN47933
Lead310.0 mi
CROWN FOOD PACKAGING
Fabricated Metals · CROWN HOLDINGS INC
CRAWFORDSVILLE, IN47933
9.9 mi
HERITAGE PRODUCTS
Transportation Equipment · HERITAGE PRODUCTS INC
CRAWFORDSVILLE, IN47933
7.8 mi
VALERO RENEWABLE FUELS CO LLC DBA VALERO LINDEN PLANT
Chemicals · VALERO ENERGY CORP
LINDEN, IN47955
0.9 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

4
Declared disasters
Jul 2025
Most recent
Flood
Most common type

Montgomery County has experienced 4 federally declared disasters since 1991. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jul 2025
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA #4882
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3238
Apr 1996
BLIZZARD OF 96
Flood FEMA #1109
Jan 1991
SEVERE STORMS & FLOODING
Flood FEMA #891

Recommended water filters

Based on contaminants detected in Linden'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) 4.0 15 ppb Inorganic Safe
Copper (90th percentile) 1.39 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 decreased by 9.0 ppb from 1995 (13.0 ppb) to 2003 (4.0 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has decreased by 0.500 mg/L from 1995 (1.890 mg/L) to 2001 (1.390 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
759
Water Systems
1
Water Source

Where Linden's water comes from

Groundwater

Linden'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 759 people through 1 water system.

Local Hydrology

Water bodies near Linden

Linden is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Sugar Creek
river
Infrastructure

Water systems serving Linden

System Name PWSID Population Source
LINDEN WATER DEPARTMENT IN5254007 759 GW
Regional Comparison

How Linden compares

Full Indiana rankings →

Linden's score of 48.9/100 is below the average of 70/100 among major Indiana cities. It outscores 2 of 10 nearby cities. 8 of 10 nearby cities score higher.

Linden (this city)
48.9
Fort Wayne
49.5
Evansville
85.2
Indiana avg
70
City Profile

About Linden, IN

Economic Profile
$55,417
Median Income
$91,667
Median Home Value
$660/mo
Median Rent
3%
Unemployment
Community
46.7
Median Age
556
People / sq mi
15.6%
College Educated
74.6%
Homeownership
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Frequently asked questions

Is Linden, IN tap water safe to drink?

Linden's water quality earned a grade of D (48.9/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #386 out of 414 cities tested in Indiana.

What contaminants are in Linden's water?

Lead was measured at 4.0 ppb (90th percentile). 91 violations are on record.

How is Linden'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 Linden?

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

Where does Linden's water come from?

Linden's water is sourced from Groundwater. The city has 1 water system serving approximately 759 residents.

What health violations has Linden's water system had?

Linden has 2 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 11 violations remain unresolved.

Is Linden's groundwater at risk of contamination?

Linden 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 91 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 Linden's water compare to other cities?

Linden ranks #386 out of 414 cities in Indiana (better than 7% of state cities) and #13397 out of 15744 cities nationally (15th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Linden's small water system affect quality?

Linden's system serves approximately 759 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 91 violations on record.