WaterVerge

Is Tripoli, IA Tap Water Safe to Drink?

Graded A- — 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 1 water system PWSID: IA0975032
Overall Score
85.6 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#336 of 436 in Iowa Top 33% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
85.6/100
waterverge.com
A- 85.6/100

Tripoli, IA — Water Quality Report

Tripoli's drinking water received a grade of A- (85.6 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,191 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 2 violations on record, including 1 health-based violation. 1 remains unresolved.

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

What to know about Tripoli's water

Tripoli ranks #336 out of 436 cities in Iowa for water quality, placing it among the lowest-rated in the state.

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

Quality Breakdown

Water quality score

See methodology →
85.6 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.6/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Tripoli, IA water safe to drink?

Use Caution

Tripoli's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (85.6/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,191 residents using groundwater (wells).

1
Active Violations
0.0 ppb
Lead (90th %ile)
9 events
Disaster History

Recent water quality updates for Tripoli

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Tripoli's water quality assessment. Grade: A- (85.6/100).

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4421). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4289). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

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

Key contaminant findings

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

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 2.08 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

Tripoli's water system has 2 total violations on record, including 1 health-based violation. 1 remain unresolved.

MCL
Most recent violations:
Oct 2002 Coliform (TCR) Resolved

Flood & environmental risk

Bremer County has experienced 9 federally declared disasters since 1965. 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 Wapsipinicon River Near Tripoli.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4421
SEVERE STORMS AND FLOODING
Flood FEMA DR-4289
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3239

Where does Tripoli's water come from?

Tripoli's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,191 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Wapsipinicon River Near Tripoli (river).

What Tripoli residents can do

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

Tripoli'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
Copper (90th percentile)
Inorganic
Over Limit
2.08 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

2
Total violations
1
Health-based
1
Active / unresolved
Oct 2002
Most recent violation
Compliance Record

Violations & advisories

2 Total
1 Active
1 Health-based
1 Resolved
Active
Compliance Violation
Monitoring 0
Oct 2002 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 2002
Environmental Risk

Flood & disaster history

9
Declared disasters
Mar 2019
Most recent
Flood
Most common type

Bremer County has experienced 9 federally declared disasters since 1965. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Mar 2019
SEVERE STORMS AND FLOODING
Flood FEMA #4421
Oct 2016
SEVERE STORMS AND FLOODING
Flood FEMA #4289
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3239
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #996
Jul 1991
SEVERE STORMS & FLOODING
Flood FEMA #911
Sep 1990
SEVERE STORMS & FLOODING
Flood FEMA #879

Recommended water filters

Based on contaminants detected in Tripoli'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) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 2.08 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 1.0 ppb from 1993 (1.0 ppb) to 2025 (0.0 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has increased by 0.580 mg/L from 1993 (1.500 mg/L) to 2004 (2.080 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,191
Water Systems
1
Water Source

Where Tripoli's water comes from

Groundwater

Tripoli'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 1,191 people through 1 water system.

Local Hydrology

Water bodies near Tripoli

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

Wapsipinicon River Near Tripoli
river
Infrastructure

Water systems serving Tripoli

System Name PWSID Population Source
TRIPOLI WATER SUPPLY IA0975032 1,191 GW
Regional Comparison

How Tripoli compares

Full Iowa rankings →

Tripoli's score of 85.6/100 is above the average of 72/100 among major Iowa cities. It outscores 9 of 10 nearby cities.

Tripoli (this city)
85.6
Ames
81.5
Iowa avg
72
City Profile

About Tripoli, IA

Economic Profile
$71,641
Median Income
$112,307
Median Home Value
$805/mo
Median Rent
2.3%
Unemployment
Community
41.4
Median Age
335
People / sq mi
23.5%
College Educated
81.3%
Homeownership
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Frequently asked questions

Is Tripoli, IA tap water safe to drink?

Tripoli's water quality earned a grade of A- (85.6/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #336 out of 436 cities tested in Iowa.

What contaminants are in Tripoli's water?

Lead was measured at 0.0 ppb (90th percentile). 2 violations are on record.

How is Tripoli'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 Tripoli?

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

Where does Tripoli's water come from?

Tripoli's water is sourced from Groundwater. The city has 1 water system serving approximately 1,191 residents.

What health violations has Tripoli's water system had?

Tripoli has 1 health-based violation on record. The most recent violation was recorded in October 2002. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

Is Tripoli's groundwater at risk of contamination?

Tripoli 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 2 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 Tripoli's water compare to other cities?

Tripoli ranks #336 out of 436 cities in Iowa (better than 23% of state cities) and #5228 out of 15744 cities nationally (67th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Tripoli's small water system affect quality?

Tripoli's system serves approximately 1,191 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 2 violations on record.