WaterVerge

Is Hico, TX Tap Water Safe to Drink?

Graded B+, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

1K residents served 1 water system PWSID: TX0970002
Overall Score
84.4 / 100
Violations
6 active
Last Updated
May 2026
Source
Groundwater
#231 of 1067 in Texas Top 38% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
84.4/100
waterverge.com
B+ 84.4/100

Hico, TX — Water Quality Report

Hico's drinking water received a grade of B+ (84.4 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,379 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 7 violations on record, including 0 health-based violations. 6 remain unresolved.

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

What to know about Hico's water

Hico ranks #231 out of 1067 cities in Texas for water quality, placing it above average in the state.

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

Quality Breakdown

Water quality score

See methodology →
84.4 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.4/45
A
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
0/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Hico, TX water safe to drink?

Concerns Identified

Hico's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (84.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,379 residents using groundwater (wells).

6
Active Violations
0.0 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Hico

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Hico's water quality assessment. Grade: B+ (84.4/100).

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING

Federal disaster declaration (FEMA DR-4879). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

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

Federal disaster declaration (FEMA DR-4781). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Hico's water system has 7 total violations on record, including 0 health-based violations. 6 remain unresolved. 1 violation was issued in the last 5 years.

MR
Most recent violations:
Dec 2024 Lead and Copper Rule Open
Dec 2017 Lead and Copper Rule Open
Oct 2016 Lead and Copper Rule Open
Jan 2016 Coliform (TCR) Resolved
Dec 2013 Lead and Copper Rule Open

Flood & environmental risk

Hamilton County has experienced 3 federally declared disasters since 2005. 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 N Bosque Rv At Hico.

SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4879
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA DR-4781
HURRICANE RITA
Hurricane FEMA DR-1606

Where does Hico's water come from?

Hico's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,379 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include N Bosque Rv At Hico (river).

What Hico residents can do

Install a water filter

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

Hico'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

7
Total violations
0
Health-based
6
Active / unresolved
Dec 2024
Most recent violation
Compliance Record

Violations & advisories

7 Total
6 Active
0 Health-based
1 Resolved
Violations by category
Lead and Copper Rule
5
Total Coliform Rule
1
Dec 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2017 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2016 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2013 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2013 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jan 2016 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2016
Environmental Risk

Flood & disaster history

3
Declared disasters
Jul 2025
Most recent
Flood
Most common type

Hamilton County has experienced 3 federally declared disasters since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jul 2025
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4879
May 2024
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA #4781
Sep 2005
HURRICANE RITA
Hurricane FEMA #1606

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 3.3 ppb from 1993 (3.3 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,379
Water Systems
1
Water Source

Where Hico's water comes from

Groundwater

Hico'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 1,379 people through 1 water system.

Local Hydrology

Water bodies near Hico

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

N Bosque Rv At Hico
river
Infrastructure

Water systems serving Hico

System Name PWSID Population Source
CITY OF HICO TX0970002 1,379 GW
Regional Comparison

How Hico compares

Full Texas rankings →

Hico's score of 84.4/100 is above the average of 46/100 among major Texas cities. It outscores 9 of 10 nearby cities.

Hico (this city)
84.4
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About Hico, TX

Wikipedia →

Hico is a small city located in Hamilton County in central Texas, United States. The population was 1,335 at the time of the 2020 census, down from 1,341 in the 2010 census. Over the years, it became a cattle and cotton market. Today, ranching and tourism dominate the local economy.

Economic Profile
$44,191
Median Income
$111,159
Median Home Value
$900/mo
Median Rent
4.2%
Unemployment
Community
33
Median Age
344
People / sq mi
18.4%
College Educated
76.6%
Homeownership
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Frequently asked questions

Is Hico, TX tap water safe to drink?

Hico's water quality earned a grade of B+ (84.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #231 out of 1067 cities tested in Texas.

What contaminants are in Hico's water?

Lead was measured at 0.0 ppb (90th percentile). 7 violations are on record.

How is Hico'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 Hico?

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

Where does Hico's water come from?

Hico's water is sourced from Groundwater. The city has 1 water system serving approximately 1,379 residents.

Is Hico's groundwater at risk of contamination?

Hico 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 7 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 Hico's water compare to other cities?

Hico ranks #231 out of 1067 cities in Texas (better than 78% of state cities) and #5925 out of 15744 cities nationally (62th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Hico's small water system affect quality?

Hico's system serves approximately 1,379 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 7 violations on record.