Is Noble, LA Tap Water Safe to Drink?
Graded D — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
49/100
waterverge.com Noble, LA — Water Quality Report
Noble's drinking water received a grade of D (49 out of 100), indicating poor water quality. The city's 1 water system serves approximately 549 residents using groundwater.
Lead levels were measured at 0.7 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 77 violations on record, including 28 health-based violations. 42 remain unresolved.
What to know about Noble's water
Noble ranks #208 out of 309 cities in Louisiana for water quality, placing it below average in the state.
Noble 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, Noble may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 13 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Noble, LA water safe to drink?
Noble's drinking water has significant quality concerns based on EPA testing data. With a grade of D (49/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 549 residents using groundwater (wells).
Recent water quality updates for Noble
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Noble's water quality assessment. Grade: D (49/100).
Contaminants: Consumer Confidence Rule.
Contaminants: Public Notice.
1 health-based. Contaminants: TTHM.
Key contaminant findings
Based on the most recent EPA sampling data for Noble'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
Noble's water system has 77 total violations on record, including 28 health-based violations. 42 remain unresolved. 13 violations were issued in the last 5 years.
Where does Noble's water come from?
Noble's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 549 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Noble residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Noble'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.
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 Noble
Industrial polluters nearby
Reported releases to surface water by facilities near Noble, ranked by pounds discharged annually.
Total reported releases to surface water: 17 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
STELLA-JONES CORP CONVERSE, LA71419 | Arsenic And Arsenic Compounds | 17 | 2.5 mi |
WEYERHAEUSER NR CO ZWOLLE DIV ZWOLLE, LA71486 | — | — | 4.8 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D3 — extreme droughtSabine Parish is currently in D3 (extreme 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 Noble'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. | 0.7 | 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. | 4.70 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level (90th percentile)
Latest reading: 4.700 mg/L (2009)
EPA action level: 1.3 mg/L
See how Noble compares by contaminant
Explore where Noble ranks among all Louisiana cities for specific contaminants.
Water source & infrastructure
Where Noble's water comes from
Noble'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 549 people through 1 water system.
Water systems serving Noble
| System Name | PWSID | Population | Source |
|---|---|---|---|
| NOBLE WATER SYSTEM | LA1085017 | 549 | GW |
How Noble compares
Full Louisiana rankings →Noble's score of 49/100 is on par with the average of 53/100 among major Louisiana cities. It outscores 6 of 10 nearby cities.
Nearby cities
View Louisiana rankings →About Noble, LA
Wikipedia →Noble is a village in Sabine Parish, Louisiana, United States. As of the 2020 census, Noble had a population of 200.
Learn more about your water
Guides and resources related to Noble's water quality findings.
Explore water quality across Sabine Parish
Frequently asked questions
Is Noble, LA tap water safe to drink?
Noble's water quality earned a grade of D (49/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #208 out of 309 cities tested in Louisiana.
What contaminants are in Noble's water?
Lead was measured at 0.7 ppb (90th percentile). 77 violations are on record.
How is Noble'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 Noble?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Noble's water come from?
Noble's water is sourced from Groundwater. The city has 1 water system serving approximately 549 residents.
What health violations has Noble's water system had?
Noble has 28 health-based violations on record. The most recent violation was recorded in July 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 42 violations remain unresolved.
Is Noble's groundwater at risk of contamination?
Noble 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 77 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 Noble's water compare to other cities?
Noble ranks #208 out of 309 cities in Louisiana (better than 33% of state cities) and #13389 out of 15744 cities nationally (15th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Noble's small water system affect quality?
Noble's system serves approximately 549 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 77 violations on record.