What was found in Grambling's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Copper | 500 µg/L 38% of the EPA limit 1300 µg/L Main supplier: GRAMBLING STATE UNIVERSITY WS · 6,000 people · 2019
Highest in the city: 800 µg/L — MT OLIVE WATERWORKS DISTRICT · 900 people · 2019 | 3/3 | SYR4 |
| Fluoride | 180 µg/L 4.5% of the EPA limit 4000 µg/L Main supplier: GRAMBLING STATE UNIVERSITY WS · 6,000 people · 2019
Highest in the city: 198 µg/L — TOWN OF GRAMBLING WATER SYSTEM · 4,949 people · 2018 | 3/3 | SYR4 |
| Nitrate-Nitrite | 29 µg/L 0.3% of the EPA limit 10000 µg/L Main supplier: GRAMBLING STATE UNIVERSITY WS · 6,000 people · 2019
Highest in the city: 160 µg/L — TOWN OF GRAMBLING WATER SYSTEM · 4,949 people · 2019 | 2/3 | SYR4 |
| Barium | 8.6 µg/L 0.4% of the EPA limit 2000 µg/L Main supplier: GRAMBLING STATE UNIVERSITY WS · 6,000 people · 2019
Highest in the city: 39.8 µg/L — MT OLIVE WATERWORKS DISTRICT · 900 people · 2019 | 3/3 | SYR4 |
| TTHM | 22.1 µg/L 28% of the EPA limit 80 µg/L Main supplier: GRAMBLING STATE UNIVERSITY WS · 6,000 people · 2019
Highest in the city: 31.481 µg/L — TOWN OF GRAMBLING WATER SYSTEM · 4,949 people · 2019 | 3/3 | SYR4 |
| Chloroform | 5.31 µg/L No EPA limit set Main supplier: GRAMBLING STATE UNIVERSITY WS · 6,000 people · 2019
Highest in the city: 14.56 µg/L — TOWN OF GRAMBLING WATER SYSTEM · 4,949 people · 2019 | 3/3 | SYR4 |
| Total Haloacetic Acids (HAA5) | 6.455 µg/L 11% of the EPA limit 60 µg/L Main supplier: GRAMBLING STATE UNIVERSITY WS · 6,000 people · 2019
Highest in the city: 12.8 µg/L — TOWN OF GRAMBLING WATER SYSTEM · 4,949 people · 2019 | 3/3 | SYR4 |
| Lead | 12 µg/L 80% of the EPA limit 15 µg/L Main supplier: GRAMBLING STATE UNIVERSITY WS · 6,000 people · 2019 | 3/3 | SYR4 |
| Bromodichloromethane | 6.085 µg/L No EPA limit set Main supplier: GRAMBLING STATE UNIVERSITY WS · 6,000 people · 2019
Highest in the city: 10.3 µg/L — TOWN OF GRAMBLING WATER SYSTEM · 4,949 people · 2019 | 3/3 | SYR4 |
| Lithium | 9.38 µg/L No EPA limit set Highest in the city: TOWN OF GRAMBLING WATER SYSTEM · 4,949 people · 2025 | 1/3 | UCMR-5 |
| Dalapon | 9.136 µg/L 4.6% of the EPA limit 200 µg/L Highest in the city: MT OLIVE WATERWORKS DISTRICT · 900 people · 2019 | 1/3 | SYR4 |
| Gross Beta Particle Activity | 9.008 pCi/L No EPA limit set Highest in the city: MT OLIVE WATERWORKS DISTRICT · 900 people · 2019 | 1/3 | SYR4 |
| Dibromochloromethane | 5.886 µg/L No EPA limit set Main supplier: GRAMBLING STATE UNIVERSITY WS · 6,000 people · 2019
Highest in the city: 8.8955 µg/L — TOWN OF GRAMBLING WATER SYSTEM · 4,949 people · 2019 | 3/3 | SYR4 |
| Chromium | 7.915 µg/L 7.9% of the EPA limit 100 µg/L Highest in the city: MT OLIVE WATERWORKS DISTRICT · 900 people · 2019 | 1/3 | SYR4 |
| Bromoform | 7.6 µg/L No EPA limit set Main supplier: GRAMBLING STATE UNIVERSITY WS · 6,000 people · 2019 | 3/3 | SYR4 |
| Dichloroacetic Acid | 3.6 µg/L No EPA limit set Main supplier: GRAMBLING STATE UNIVERSITY WS · 6,000 people · 2019
Highest in the city: 6.575 µg/L — TOWN OF GRAMBLING WATER SYSTEM · 4,949 people · 2019 | 3/3 | SYR4 |
| Trichloroacetic Acid | 1.6 µg/L No EPA limit set Main supplier: GRAMBLING STATE UNIVERSITY WS · 6,000 people · 2019
Highest in the city: 5.59 µg/L — TOWN OF GRAMBLING WATER SYSTEM · 4,949 people · 2019 | 3/3 | SYR4 |
| Dibromoacetic Acid | 1.98 µg/L No EPA limit set Main supplier: GRAMBLING STATE UNIVERSITY WS · 6,000 people · 2019
Highest in the city: 2.165 µg/L — TOWN OF GRAMBLING WATER SYSTEM · 4,949 people · 2019 | 3/3 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 0.6480 µg/L 11% of the EPA limit 6 µg/L Main supplier: GRAMBLING STATE UNIVERSITY WS · 6,000 people · 2019
Highest in the city: 1.716 µg/L — MT OLIVE WATERWORKS DISTRICT · 900 people · 2019 | 3/3 | SYR4 |
| Combined Radium (-226 And -228) | 1.02585 pCi/L 21% of the EPA limit 5 pCi/L Highest in the city: TOWN OF GRAMBLING WATER SYSTEM · 4,949 people · 2018 | 1/3 | SYR4 |
| Mercury | 1 µg/L 50% of the EPA limit 2 µg/L Highest in the city: MT OLIVE WATERWORKS DISTRICT · 900 people · 2019 | 1/3 | SYR4 |
| Combined Uranium | 0.8700 µg/L 2.9% of the EPA limit 30 µg/L Highest in the city: MT OLIVE WATERWORKS DISTRICT · 900 people · 2016 | 1/3 | SYR4 |
| Arsenic | 0.6810 µg/L 6.8% of the EPA limit 10 µg/L Main supplier: GRAMBLING STATE UNIVERSITY WS · 6,000 people · 2019 | 1/3 | SYR4 |
| Hexachlorobenzene | 0.1700 µg/L 17% of the EPA limit 1 µg/L Highest in the city: TOWN OF GRAMBLING WATER SYSTEM · 4,949 people · 2018 | 1/3 | SYR4 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: GRAMBLING STATE UNIVERSITY WS · 6,000 people · 2023
Highest in the city: 0.0090 mg/L — TOWN OF GRAMBLING WATER SYSTEM · 4,949 people · 2023 | 3/3 | LCR |
Each bar shows the measured level as a share of the EPA limit: green is
well under, amber is close to it, red is over. For lead and copper the
limit applies to exactly the 90th-percentile figure shown, so red there
means a real exceedance. For everything else the limit applies to a
running annual average while the figure is the 95th percentile of the
system's samples — over 100% is worth reading, but is not by itself a
violation.
Formal violations are listed separately.
These are the utilities' own EPA-reported results, not a city-wide
average. A detection means the lab measured the
substance — it isn't the same as exceeding a legal limit. Hover a source
tag to see the EPA program and years behind each figure.
Water suppliers serving Grambling
| Supplier | Population served |
|---|---|
| GRAMBLING STATE UNIVERSITY WS | 6,000 |
| TOWN OF GRAMBLING WATER SYSTEM | 4,949 |
| MT OLIVE WATERWORKS DISTRICT | 900 |
Frequently asked questions about Grambling tap water
Is Grambling tap water safe to drink?
EPA testing detected 25 contaminants in the water serving Grambling. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Grambling?
3 public water suppliers report drinking-water monitoring for Grambling, Louisiana to the EPA. Each is listed above with its population served.
What contaminants are in Grambling's water?
The contaminants EPA monitoring detected in Grambling include Copper, Fluoride, Nitrate-Nitrite, Barium, TTHM. The full list, with the level at the main supplier and the data source, is in the table above.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.