WaterVerge

Is Loami, IL Tap Water Safe to Drink?

Graded A-, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

812 residents served 1 water system PWSID: IL1670700
Overall Score
88.3 / 100
Violations
3 active
Last Updated
May 2026
Source
Purchased surface water
#222 of 891 in Illinois Top 23% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
88.3/100
waterverge.com
A- 88.3/100

Loami, IL — Water Quality Report

Loami's drinking water received a grade of A- (88.3 out of 100), indicating good water quality. The city's 1 water system serves approximately 812 residents using purchased surface water.

Lead levels were measured at 1.5 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 6 violations on record, including 1 health-based violation. 3 remain unresolved.

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

What to know about Loami's water

Loami ranks #222 out of 891 cities in Illinois for water quality, placing it above average in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

As a small community water system, Loami may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
88.3 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.3/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.5 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Loami, IL water safe to drink?

Concerns Identified

Loami's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (88.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 812 residents using surface water (rivers, lakes, or reservoirs).

3
Active Violations
1.5 ppb
Lead (90th %ile)
2 events
Disaster History

Recent water quality updates for Loami

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Loami's water quality assessment. Grade: A- (88.3/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Coliform (TCR).

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3230). Hurricane event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Disaster
SEVERE STORMS & FLOODING

Federal disaster declaration (FEMA DR-438). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 1.5 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Loami's water system has 6 total violations on record, including 1 health-based violation. 3 remain unresolved.

OtherMCLMR
Most recent violations:
Oct 2010 Consumer Confidence Rule Open
Jul 2009 Coliform (TCR) Resolved
Mar 1996 Coliform (TCR) Resolved
Oct 1994 Lead and Copper Rule Open
Jun 1977 Gross Alpha, Excl. Radon and U Resolved

Flood & environmental risk

Sangamon County has experienced 2 federally declared disasters since 1974. 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 Lick Creek, Spring Creek.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3230
SEVERE STORMS & FLOODING
Flood FEMA DR-438

Where does Loami's water come from?

Loami's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 812 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Lick Creek (river), Spring Creek (river).

What Loami residents can do

Install a water filter

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

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
1.5 ppb
EPA Action Level: 15 ppb · 10% of limit
Safe Level
Compliance Record

Violation summary

6
Total violations
1
Health-based
3
Active / unresolved
Oct 2010
Most recent violation
Compliance Record

Violations & advisories

6 Total
3 Active
1 Health-based
3 Resolved
Violations by category
Total Coliform Rule
2
Consumer Confidence Rule
1
Lead and Copper Rule
1
Radionuclides and Revised Rad Rule
1
Oct 2010 Active
Consumer Confidence Rule
Other Violation 0
Oct 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jul 2009 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2009
Mar 1996 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1996
Jun 1977 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1981
Environmental Risk

Flood & disaster history

2
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Sangamon County has experienced 2 federally declared disasters since 1974. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3230
Jun 1974
SEVERE STORMS & FLOODING
Flood FEMA #438

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.5 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 4.5 ppb from 1993 (6.0 ppb) to 2025 (1.5 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
812
Water Systems
1
Water Source

Where Loami's water comes from

Purchased Surface Water

Loami's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 812 people through 1 water system.

Local Hydrology

Water bodies near Loami

Loami is located near 2 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Lick Creek
river
Spring Creek
river
Infrastructure

Water systems serving Loami

System Name PWSID Population Source
LOAMI IL1670700 812 SWP
Regional Comparison

How Loami compares

Full Illinois rankings →

Loami's score of 88.3/100 is above the average of 56/100 among major Illinois cities. It outscores 9 of 10 nearby cities.

Loami (this city)
88.3
Chicago
35.2
Aurora
45.5
Joliet
38.5
Naperville
81.2
Champaign
91.9
Illinois avg
56
City Profile

About Loami, IL

Economic Profile
$50,000
Median Income
$87,620
Median Home Value
$807/mo
Median Rent
3.3%
Unemployment
Community
27.6
Median Age
395
People / sq mi
15.3%
College Educated
79.4%
Homeownership
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Frequently asked questions

Is Loami, IL tap water safe to drink?

Loami's water quality earned a grade of A- (88.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #222 out of 891 cities tested in Illinois.

What contaminants are in Loami's water?

Lead was measured at 1.5 ppb (90th percentile). 6 violations are on record.

How is Loami'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 Loami?

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

Where does Loami's water come from?

Loami's water is sourced from Purchased surface water. The city has 1 water system serving approximately 812 residents.

What health violations has Loami's water system had?

Loami has 1 health-based violation on record. The most recent violation was recorded in October 2010. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

How does Loami's water compare to other cities?

Loami ranks #222 out of 891 cities in Illinois (better than 75% of state cities) and #3550 out of 15744 cities nationally (78th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Loami's small water system affect quality?

Loami's system serves approximately 812 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 6 violations on record.