Toxin Scout

Air quality and drinking water coverage in Iowa Colony, TX

Review government records associated with Iowa Colony, Texas.

Toxin Scout is in beta. Please verify important findings with the linked sources.

What the Iowa Colony records show

Water quality and PFAS
3 candidate water systems shown.Source date: Violations as of Q1 2026
Air quality and emissions
3 monitoring records shown. Observation year: 2025.Source date: AQS data as of 2026
Land and cleanup records
No Superfund records returned in this report; No brownfield records returned in this report.
Infrastructure and incidents
No pipeline incident records returned in this report; No RMP facility records returned in this report (earlier stored inventory, current location coverage unverified).

Water quality in Iowa Colony

Drinking water quality

Check your water bill for your utility name and confirm the reporting year. See EPA’s guide to finding your annual water quality report.

Drinking Water Compliance

Public water-system records for Iowa Colony, TX from EPA SDWIS.

City of Alvin

Active monitoring or reporting issue detected in EPA SDWIS.

Reviewed: active/open records as of Q1 2026

City-area ZIP code · Serves 26,244 people

City of Manvel

Active monitoring or reporting issue detected in EPA SDWIS.

Reviewed: active/open records as of Q1 2026

City-area ZIP code · Serves 8,437 people

City of Arcola

No active drinking-water issues detected in EPA SDWIS.

Reviewed: active/open records as of Q1 2026

City-area ZIP code · Serves 1,599 people

Data from EPA SDWIS

PFAS (Forever Chemicals)No PFAS records shown for this report

Reviewed: source records as of Q1 2026

EPA UCMR5 — No PFAS detection records shown for these water systems

Open data source: EPA UCMR5

DoD PFAS — No investigation records shown for this report

Open data source: DoD PFAS
Rivers, lakes and groundwater

Impaired Water Bodies

1

EPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.

Mustang Bayou

Not Supporting26.1% of assessed waters impaired

Reported: Nov 2026

Open data source: EPA ATTAINS

Health-relevant causes: Dioxins, Pathogens, Polychlorinated Biphenyls (pcbs)

Affected uses: Fishconsumption, Recreation

Data from EPA ATTAINS

Discharge

Discharge Permits (NPDES)

1

NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.

Open data source: EPA ECHO

Violation records

Brazoria County Mud 21 WWTP

Last inspected: Dec 2025

Open data source: EPA ECHO
Status: Violation Identified · 3 of 12 quarters with noncompliance

Data from EPA ECHO

To investigate water contamination, check the sampling locations, dates and results below. For tap water records, see Drinking water quality above.

Water Quality MonitoringThis report includes 3 monitoring station records from the Water Quality Portal. It identified no recent results above an applicable comparison value. Some stations may lack recent or comparable results.

Reviewed: source records as of 2026

Open data source: Water Quality Portal

Air quality and emissions in Iowa Colony

Review historical EPA air pollution records, including monitoring and facility emissions where available. For current conditions, check local air quality on AirNow.

Air Quality Assessment

EPA AirToxScreen — Estimated Cancer Risk

1
40estimated additional cancer cases per million people

Brazoria County

Assessment year: 2020

Open data source: EPA AirToxScreen
Lower risk95th percentile nationallyHigher risk

According to EPA, a cancer risk of 40-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 40 may develop cancer from that exposure. This is in addition to cancer risk from all other causes.

Top modeled source groups

Factories & power plantsWildfires & prescribed burns

Data from EPA AirToxScreen

Nonattainment Status

1

EPA designates an area as nonattainment when air quality does not meet federal health-based standards (NAAQS) for a specific pollutant.

Houston-Galveston-Brazoria: Ozone

NonattainmentSerious

8-Hour Ozone (2015 Standard)

Original designation: Sep 2018

Open data source: EPA Area Detail
Design value: 0.085 ppm(2023-2025)
Designation standard: 0.070 ppm (8-hour)

Health effects (EPA): Respiratory inflammation, aggravation of asthma, reduced lung function (EPA)

Historical designations under the revoked 1997 ozone standard

These records describe historical designations. EPA revoked the 1997 ozone standard on April 6, 2015.

Houston-Galveston-Brazoria Area

Historical standard: 0.08 ppm (8-hour)

Historical designation: Nonattainment · Subpart 2/Severe 15

Original designation: Jun 2004

Open data source: EPA final revocation rule

EPA terminated this area's 1997 ozone anti-backsliding obligations effective March 16, 2020. Separate SIP requirements may apply.

Open data source: EPA final anti-backsliding termination rule

Data from EPA Green Book

Air Quality Monitoring (AQS)

EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.

Clinton — Houston, Texas

Open data source: EPA AQS
CO

Annual mean: 0.2 Parts per million

Observation year: 2025

SO2

Annual mean: 0.0 Parts per billion

Observation year: 2025

NO2

Annual mean: 22.0 Parts per billion

Observation year: 2025

Data from EPA AQS

Facilities & Emissions
Air Quality Violations (CAA)No matching Clean Air Act-regulated facility records surfaced for this city report.

Reviewed: source records as of Q4 2025

Open data source: Search EPA ECHO
Reported Air Emissions (TRI)No TRI-reported air emission records surfaced for this city report.
Open data source: Search EPA ECHO

Land cleanup and hazardous waste records in Iowa Colony

Contaminated Sites
Superfund SitesNo matching Superfund site records surfaced for this report.

Reviewed: source query run Nov 2026

Open data source: Search EPA ECHO
Brownfield Sites (EPA ACRES)No matching brownfield site records surfaced for this city report in the EPA ACRES database.

Reviewed: source query run Nov 2026

Open data source: Search EPA ECHO
Waste Facilities
Hazardous Waste — RCRA FacilitiesNo RCRA hazardous-waste handler records surfaced in the reviewed 5-mile city-center search area.
Open data source: Search EPA ECHO

Underground Storage Tanks

No release reports shown in this group.

Reviewed: active/open records as of 2018

Data from EPA UST Finder

On-Site Waste Disposal (TRI)No TRI-reported on-site land disposal records surfaced for this city report.
Open data source: Search EPA ECHO
Military & Industrial
Formerly Used Defense SitesNo USACE FUDS property records matched this report’s search area.
Open data source: USACE FUDS

MSHA Mine and Extraction Sites

No MSHA mine or extraction site records shown for this report.

Open data source: MSHA Data Retrieval
Hydraulic Fracturing WellsNo hydraulic fracturing well disclosure records surfaced for this city report.
Open data source: FracFocus Search
Radon Context

County radon potential

EPA Zone 3Lower radon potential

Brazoria County, TX

EPA Radon Zone Map (June 2024 release)

Open data source: EPA radon zone data

Brazoria County is EPA Radon Zone 3 (low potential). EPA defines Zone 3 counties as having predicted average indoor screening levels below 2 pCi/L.

Radon levels can vary from home to home, so EPA recommends testing the property to know its indoor level.

Find radon testing in TXZone classification per EPA Map of Radon Zones.

FEMA flood zones and infrastructure in Iowa Colony

FEMA Flood Zones

FEMA flood zones describe mapped flood hazards. Look up a specific address with FEMA.

FEMA Flood Zone: X (0.2 Percent Annual Chance Flood Hazard)Non-SFHA

Minimal flood hazard — outside the 1% and 0.2% annual chance floodplains.

DFIRM Panel: 48039C
Chemical & Industrial Risk

EPA Risk Management Program Records

Results use an earlier stored RMP inventory. Current EPA ECHO location coverage is unverified.

No EPA ECHO RMP facility records with a usable location matched this city report.

Open data source: Search EPA ECHO
Community Health

Community Health Indicators

Health outcomes from County Health Rankings. Values shown alongside state and national averages.

Brazoria County, TexasPop. 388,181

County Health Rankings edition: 2024

Premature Death

County
7,202
State
7,875
National
7,972

Poor or Fair Health

County
16.8%
State
17.9%
National
14.2%

Poor Physical Health Days

County
3.6
State
3.3
National
3.3

Poor Mental Health Days

County
4.6
State
4.6
National
4.8

Adult Smoking

County
13.8%
State
13.3%
National
15.0%

Adult Obesity

County
37.9%
State
36.2%
National
34.0%

Air Pollution - Particulate Matter

County
10.5
State
8.6
National
7.3

Drinking water violation indicator

County
Yes
State
N/A
National
N/A

Diabetes Prevalence

County
11.0%
State
11.0%
National
9.6%

Life Expectancy

County
77.5
State
77.2
National
77.6

Environmental questions about Iowa Colony, Texas

Has PFAS been found in the water in Iowa Colony, Texas?

This report does not have PFAS sample results for the candidate water systems in Iowa Colony.

Check with the utility that serves your address for its testing results.

EPA water testing results

What do EPA records say about tap water in Iowa Colony, Texas?

EPA drinking water records on this page list 6 violations for the City of Alvin.

EPA drinking water records on this page list 15 violations for the City of Manvel, including 1 marked active.

The EPA drinking water records available here list no violations for the City of Arcola.

Check your water bill to identify the utility serving your address. Ask that utility about current drinking water advisories.

View on EPA SDWISView on EPA SDWISView on EPA SDWIS

What do annual air monitors show near Iowa Colony, Texas?

Nearby EPA monitoring stations provide annual air quality measurements for Iowa Colony.

The monitoring station at Clinton, Houston, Texas recorded an annual average of 0.2 Parts per million for carbon monoxide in 2025.

The monitoring station at Clinton, Houston, Texas recorded an annual average of 0 Parts per billion for sulfur dioxide in 2025.

The monitoring station at Clinton, Houston, Texas recorded an annual average of 22 Parts per billion for nitrogen dioxide in 2025.

Download 2025 EPA annual monitor dataCurrent air quality on AirNow

Is there radon in Iowa Colony, Texas?

The radon data for Iowa Colony covers Brazoria County. EPA places this area in Zone 3, with a predicted average indoor radon screening level below 2 picocuries per liter.

EPA Radon Zones data

Are there Superfund or brownfield sites near Iowa Colony, Texas?

No Superfund or brownfield sites were returned for this city report.

EPA Superfund recordsEPA brownfield records

What is the life expectancy in Iowa Colony, Texas?

The county data for Iowa Colony reports a life expectancy of 77.5 years in Brazoria County, Texas.

The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.

Brazoria County health data

What does the data say about premature deaths in Iowa Colony, Texas?

The county data for Iowa Colony reports 7,202 years of life lost to deaths before age 75 per 100,000 residents in Brazoria County, Texas. This measure adds up the years lost to early deaths and adjusts for differences in population age.

The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.

Brazoria County health data

Is there air pollution in Iowa Colony, Texas?

The county data for Iowa Colony lists fine-particle pollution (PM2.5) at 10.5 micrograms per cubic meter in Brazoria County, Texas.

The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.

Brazoria County health data