Is Morrow, LA Tap Water Safe to Drink?
Graded B+ — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
82.7/100
Morrow, LA — Water Quality Report
Morrow's drinking water received a grade of B+ (82.7 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,572 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 1 violation on record, including 0 health-based violations. 1 remains unresolved.
What to know about Morrow's water
Morrow ranks #86 out of 309 cities in Louisiana for water quality, placing it mid-range in the state.
Morrow 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, Morrow may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Morrow, LA water safe to drink?
Morrow's tap water meets most EPA standards but has areas that warrant attention. With a grade of B+ (82.7/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,572 residents using groundwater (wells).
Recent water quality updates for Morrow
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Morrow's water quality assessment. Grade: B+ (82.7/100).
Key contaminant findings
Based on the most recent EPA sampling data for Morrow'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
Morrow's water system has 1 total violation on record, including 0 health-based violations. 1 remain unresolved.
Where does Morrow's water come from?
Morrow's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,572 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Morrow residents can do
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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Morrow
Industrial polluters nearby
Reported releases to surface water by facilities near Morrow, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
LEMOYEN LLC - LEMOYEN PLANT MORROW, LA71356 | — | — | 3.8 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D2 — severe droughtSaint Landry Parish 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.
Recommended water filters
Based on contaminants detected in Morrow'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. | 1.60 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level (90th percentile)
Latest reading: 1.600 mg/L (1993)
EPA action level: 1.3 mg/L
See how Morrow compares by contaminant
Explore where Morrow ranks among all Louisiana cities for specific contaminants.
Water source & infrastructure
Where Morrow's water comes from
Morrow'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 private ownership and serves approximately 1,572 people through 1 water system.
Water systems serving Morrow
| System Name | PWSID | Population | Source |
|---|---|---|---|
| MORROW WATER SYSTEM INC | LA1097009 | 1,572 | GW |
How Morrow compares
Full Louisiana rankings →Morrow's score of 82.7/100 is above the average of 53/100 among major Louisiana cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Louisiana rankings →Learn more about your water
Guides and resources related to Morrow's water quality findings.
Explore water quality across St. Landry Parish
Frequently asked questions
Is Morrow, LA tap water safe to drink?
Morrow's water quality earned a grade of B+ (82.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #86 out of 309 cities tested in Louisiana.
What contaminants are in Morrow's water?
Lead was measured at 0.0 ppb (90th percentile). 1 violation is on record.
How is Morrow'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 Morrow?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Morrow's water come from?
Morrow's water is sourced from Groundwater. The city has 1 water system serving approximately 1,572 residents.
Is Morrow's groundwater at risk of contamination?
Morrow 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 1 violation 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 Morrow's water compare to other cities?
Morrow ranks #86 out of 309 cities in Louisiana (better than 72% of state cities) and #6826 out of 15744 cities nationally (57th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Morrow's small water system affect quality?
Morrow's system serves approximately 1,572 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 1 violation on record.