Compliance record
Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.
| Violation | Type | Status | Period |
|---|---|---|---|
| MR | Monitoring | Resolved | 2018-04-01 → 2018-04-30 |
| MR | Monitoring | Resolved | 2018-04-01 → 2018-04-30 |
| MR | Monitoring | Resolved | 2018-04-01 → 2018-04-30 |
| MR | Monitoring | Resolved | 2018-04-01 → 2018-04-30 |
| MR | Monitoring | Resolved | 2018-04-01 → 2018-04-30 |
| MR | Monitoring | Resolved | 2018-04-01 → 2018-04-30 |
| MR | Monitoring | Resolved | 2018-04-01 → 2018-04-30 |
| MR | Monitoring | Resolved | 2018-04-01 → 2018-04-30 |
| MR | Monitoring | Resolved | 2018-04-01 → 2018-04-30 |
| MR | Monitoring | Resolved | 2004-01-01 → 2007-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 1300 µg/L 13% of the EPA limit 10000 µg/L
worst single sample: 1900 µg/L | 202/302 | SYR4 | 2012–2019 |
| TTHM | 48.53 µg/L 61% of the EPA limit 80 µg/L
worst single sample: 59.3 µg/L | 135/161 | SYR4 | 2012–2019 |
| Bromoform | 10.6 µg/L No EPA limit set
worst single sample: 13.8 µg/L | 123/161 | SYR4 | 2012–2019 |
| Dibromochloromethane | 15.04 µg/L No EPA limit set
worst single sample: 18.4 µg/L | 113/161 | SYR4 | 2012–2019 |
| Copper | 301.65 µg/L 23% of the EPA limit 1300 µg/L
worst single sample: 356 µg/L | 110/262 | SYR4 | 2012–2019 |
| Chloroform | 17.575 µg/L No EPA limit set
worst single sample: 33.5 µg/L | 108/161 | SYR4 | 2012–2019 |
| Bromodichloromethane | 15.22 µg/L No EPA limit set
worst single sample: 17.7 µg/L | 107/161 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 1300 µg/L 13% of the EPA limit 10000 µg/L
worst single sample: 1900 µg/L | 101/151 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 14.715 µg/L 25% of the EPA limit 60 µg/L
worst single sample: 29.8 µg/L | 100/152 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 5.95 µg/L No EPA limit set
worst single sample: 19.9 µg/L | 96/150 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 5.05 µg/L No EPA limit set
worst single sample: 12.3 µg/L | 86/152 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 3.405 µg/L No EPA limit set
worst single sample: 4.3 µg/L | 80/152 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 4.3 µg/L No EPA limit set
worst single sample: 4.9 µg/L | 43/153 | SYR4 | 2012–2019 |
| Chromium | 7.2055 µg/L 7.2% of the EPA limit 100 µg/L
worst single sample: 7.83 µg/L | 32/51 | SYR4 | 2012–2019 |
| Barium | 22.674 µg/L 1.1% of the EPA limit 2000 µg/L
worst single sample: 24.87 µg/L | 13/51 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 9/9 | LCR | 2021 |
| Lead | 30.691 µg/L 205% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 41.32 µg/L | 7/263 | SYR4 | 2012–2019 |
| Fluoride | 80 µg/L 2% of the EPA limit 4000 µg/L | 5/151 | SYR4 | 2012–2019 |
| Gross Alpha, Excl. Radon And U | 6.06 pCi/L 40% of the EPA limit 15 pCi/L
worst single sample: 6.1 pCi/L | 5/21 | SYR4 | 2013–2018 |
| Dalapon | 4.01 µg/L 2% of the EPA limit 200 µg/L
worst single sample: 4.1 µg/L | 3/99 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 3.095 pCi/L No EPA limit set
worst single sample: 3.1 pCi/L | 2/23 | SYR4 | 2012–2018 |
| 2,4-D | 0.6000 µg/L 0.9% of the EPA limit 70 µg/L | 1/99 | SYR4 | 2012–2019 |
| Atrazine | 0.0700 µg/L 2.3% of the EPA limit 3 µg/L | 1/216 | SYR4 | 2012–2018 |
| Di(2-ethylhexyl) Phthalate | 0.7200 µg/L 12% of the EPA limit 6 µg/L | 1/127 | SYR4 | 2012–2018 |
| Monochloroacetic Acid | 2 µg/L No EPA limit set | 1/153 | SYR4 | 2012–2019 |
| Tetrachloroethylene | 1 µg/L 20% of the EPA limit 5 µg/L | 1/56 | SYR4 | 2012–2019 |
88 contaminants tested, none detected
Utility contact
Frequently asked questions about Lihue-Kapaa
Is Lihue-Kapaa tap water safe to drink?
EPA monitoring detected 26 contaminants in Lihue-Kapaa's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.
What contaminants were detected in Lihue-Kapaa's water?
EPA monitoring detected Nitrate, TTHM, Bromoform, Dibromochloromethane, Copper, and others. The full list with the level and data source for each is above.
How many people does Lihue-Kapaa serve?
Lihue-Kapaa reports serving 34,854 people in Hawaii, per its EPA record.
Has Lihue-Kapaa had any water quality violations?
The EPA has 21 violations on file for Lihue-Kapaa, of which 0 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.
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.