Is Corrigan, TX Tap Water Safe to Drink?
Graded C+ — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
66.9/100
waterverge.com Corrigan, TX — Water Quality Report
Corrigan's drinking water received a grade of C+ (66.9 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 3,401 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 28 violations on record, including 3 health-based violations. 16 remain unresolved.
What to know about Corrigan's water
Corrigan ranks #628 out of 1067 cities in Texas for water quality, placing it below average in the state.
Corrigan 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.
The system has seen 10 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Corrigan, TX water safe to drink?
Corrigan's drinking water has significant quality concerns based on EPA testing data. With a grade of C+ (66.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 3,401 residents using groundwater (wells).
Recent water quality updates for Corrigan
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Corrigan's water quality assessment. Grade: C+ (66.9/100).
Contaminants: Consumer Confidence Rule, Lead and Copper Rule.
Contaminants: Public Notice.
Contaminants: Lead and Copper Rule.
Federal disaster declaration (FEMA DR-4798). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-4781). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Corrigan's water supply.
Well within EPA limits.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
Corrigan's water system has 28 total violations on record, including 3 health-based violations. 16 remain unresolved. 10 violations were issued in the last 5 years.
Flood & environmental risk
Polk County has experienced 9 federally declared disasters since 2008. 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 Neches Rv Nr Diboll, Piney Ck At Us 59 Nr Corrigan.
Where does Corrigan's water come from?
Corrigan's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 3,401 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Neches Rv Nr Diboll (river), Piney Ck At Us 59 Nr Corrigan (river).
What Corrigan residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Corrigan's water.
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.
Corrigan'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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Corrigan
Industrial polluters nearby
Reported releases to surface water by facilities near Corrigan, ranked by pounds discharged annually.
Total reported releases to surface water: 0 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
CAMDEN PLYWOOD & LUMBER CAMDEN, TX75934 | Lead | 0 | 8.1 mi |
GEORGIA-PACIFIC CORRIGAN PLYWOOD CORRIGAN, TX75939 | — | — | 1.3 mi |
CORRIGAN OSB CORRIGAN, TX75939 | — | — | 1.7 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D2 — severe droughtPolk County is currently in D2 (severe drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Polk County has experienced 9 federally declared disasters since 2008. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Corrigan's water supply, we recommend the following filter types.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.0 | 15 | ppb | Inorganic | Safe |
| Copper (90th percentile) CopperInorganic A metal that enters drinking water mainly through corrosion of copper plumbing. Small amounts are essential for health, but excess levels are harmful. Health EffectsGastrointestinal distress (nausea, vomiting, diarrhea) at short-term high levels; liver and kidney damage from long-term exposure. EPA Limit1.3 mg/L action level Common SourcesCorrosion of copper household plumbing, erosion of natural deposits. | 2.53 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level (90th percentile)
Latest reading: 2.530 mg/L (1993)
EPA action level: 1.3 mg/L
See how Corrigan compares by contaminant
Explore where Corrigan ranks among all Texas cities for specific contaminants.
Water source & infrastructure
Where Corrigan's water comes from
Corrigan'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 3,401 people through 2 water systems.
Water bodies near Corrigan
Corrigan is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Corrigan
| System Name | PWSID | Population | Source |
|---|---|---|---|
| CITY OF CORRIGAN | TX1870001 | 1,852 | GW |
| DAMASCUS STRYKER WSC | TX1870089 | 1,549 | GW |
How Corrigan compares
Full Texas rankings →Corrigan's score of 66.9/100 is above the average of 46/100 among major Texas cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Texas rankings →About Corrigan, TX
Wikipedia →Corrigan is a town in north central Polk County, Texas, United States. It is located along U.S. Highway 59, about 100 miles from Houston. Its population was 1,477 in the 2020 census.
Learn more about your water
Guides and resources related to Corrigan's water quality findings.
Explore water quality across Polk
Frequently asked questions
Is Corrigan, TX tap water safe to drink?
Corrigan's water quality earned a grade of C+ (66.9/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #628 out of 1067 cities tested in Texas.
What contaminants are in Corrigan's water?
Lead was measured at 0.0 ppb (90th percentile). 28 violations are on record.
How is Corrigan'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 Corrigan?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Corrigan's water come from?
Corrigan's water is sourced from Groundwater. The city has 2 water systems serving approximately 3,401 residents.
What health violations has Corrigan's water system had?
Corrigan has 3 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 16 violations remain unresolved.
Is Corrigan's groundwater at risk of contamination?
Corrigan 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 28 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 Corrigan's water compare to other cities?
Corrigan ranks #628 out of 1067 cities in Texas (better than 41% of state cities) and #11306 out of 15744 cities nationally (28th percentile). The grade of C+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.