What the EPA limit means
2 µg/L
Maximum Contaminant Level — the enforceable ceiling a supplier must stay under.
0.0 µg/L
Health goal (MCLG) — the level with no known health effect. It is a goal, not a legal limit, and is often zero for carcinogens.
SYR4
Where these measurements come from. Hover the tag for the EPA programme and years.
Where Chlordane was found
The water suppliers reporting the highest levels, worst first. For lead and copper that is the 90th-percentile result the action level is written against; for Six-Year Review data, the 95th percentile of each system's samples.
| Supplier | City | State | Level vs EPA limit |
|---|---|---|---|
| Middlesex Water System | Middlesex | NC | 2.328 µg/L 116% of the EPA limit, at the 95th percentile of samples — 2 µg/L |
| Ashebrook Park | Gastonia | NC | 1.368 µg/L 68% of the EPA limit 2 µg/L |
| Amber Acres | Knightdale | NC | 1.35 µg/L 68% of the EPA limit 2 µg/L |
| Aloha Gardens Utilities | New Port Richey | FL | 1.1 µg/L 55% of the EPA limit 2 µg/L |
| Royal Acres S/D | Raleigh | NC | 1.053 µg/L 53% of the EPA limit 2 µg/L |
| Delaware Correctional Center | — | — | 1 µg/L 50% of the EPA limit 2 µg/L |
| Bgwc Sherwood Forest (sc0450029) | Anderson | SC | 1 µg/L 50% of the EPA limit 2 µg/L |
| Amicks Ferry Wtr System (sc3250077) | Chapin | SC | 0.9800 µg/L 49% of the EPA limit 2 µg/L |
| Adams Mhp | Middlesex | NC | 0.9420 µg/L 47% of the EPA limit 2 µg/L |
| Camelot S/D | Garner | NC | 0.8860 µg/L 44% of the EPA limit 2 µg/L |
| Artesian Water Company | — | — | 0.8480 µg/L 42% of the EPA limit 2 µg/L |
| Spencer Rd Park | Conover | NC | 0.8280 µg/L 41% of the EPA limit 2 µg/L |
| Berkshire Downs | Raleigh | NC | 0.8012 µg/L 40% of the EPA limit 2 µg/L |
| Port Washington Wd | North Hempstead | NY | 0.7460 µg/L 37% of the EPA limit 2 µg/L |
| Henlopen Acres, Town of | Rehoboth Beach | DE | 0.6820 µg/L 34% of the EPA limit 2 µg/L |
| Colonial Heights-Meadowbrook | Garner | NC | 0.6720 µg/L 34% of the EPA limit 2 µg/L |
| Helms Water System | Stanley | NC | 0.6713 µg/L 34% of the EPA limit 2 µg/L |
| Westwood S/D | Holiday | FL | 0.6230 µg/L 31% of the EPA limit 2 µg/L |
| Cedar Village Ii | Chapel Hill | NC | 0.6159 µg/L 31% of the EPA limit 2 µg/L |
| Rolling Acres S/D | Raleigh | NC | 0.6146 µg/L 31% of the EPA limit 2 µg/L |
| Gaddy Mhp | Kannapolis | FL | 0.6000 µg/L 30% of the EPA limit 2 µg/L |
| Mcconnell S/D | Dallas | NC | 0.5893 µg/L 29% of the EPA limit 2 µg/L |
| Georgetown Water Department | Georgetown | DE | 0.5600 µg/L 28% of the EPA limit 2 µg/L |
| Chipley Park Sd | Statesville | NC | 0.5540 µg/L 28% of the EPA limit 2 µg/L |
| Amber Acres North S/D | Knightdale | NC | 0.5364 µg/L 27% of the EPA limit 2 µg/L |
Frequently asked questions about Chlordane
What is Chlordane in drinking water?
Chlordane is monitored in US public drinking water under EPA rules. Each supplier's result is reported to the EPA and published here with its source and period.
What is the EPA limit for Chlordane?
The EPA's Maximum Contaminant Level for Chlordane is 2 µg/L, and its health goal (MCLG) is 0.0 µg/L. A result above the limit means the supplier must act; the goal is the level at which no health effects are expected.
How common is Chlordane in US tap water?
Of the 25,957 water suppliers with results on file, 99 detected Chlordane — 0.4% of those tested.