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Contaminant guide

Dalapon in drinking water

The EPA limit for Dalapon in drinking water is 200 µg/L. Of the 27,533 water suppliers tested, 840 had it detected.

200 µg/L
EPA limit (MCL)
3.1%
of suppliers detected it
(840/27,533)

What the EPA limit means

⚖️

200 µg/L

Maximum Contaminant Level — the enforceable ceiling a supplier must stay under.

🎯

200 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 Dalapon 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.

SupplierCityStateLevel vs EPA limit
Fairview Union Water System Coushatta LA
142.307 µg/L 71%
of the EPA limit 200 µg/L
Sandy Point 480 Water System Campti LA
83.8471 µg/L 42%
of the EPA limit 200 µg/L
Barrett Lake Mh and Rv Llc Santee CA
83 µg/L 42%
of the EPA limit 200 µg/L
Town of St Joseph Water System St Joseph LA
80.36 µg/L 40%
of the EPA limit 200 µg/L
Tensas Water District Association St Joseph LA
75.281 µg/L 38%
of the EPA limit 200 µg/L
Town of Newellton Water System Newellton LA
71.357 µg/L 36%
of the EPA limit 200 µg/L
City of Natchitoches Water System Natchitoches LA
67.9566 µg/L 34%
of the EPA limit 200 µg/L
E Jefferson Ww District 1 Jefferson LA
64.165 µg/L 32%
of the EPA limit 200 µg/L
Town of Elkton Elkton MD
57.9805 µg/L 29%
of the EPA limit 200 µg/L
Town of Logansport Water System Logansport LA
57.6023 µg/L 29%
of the EPA limit 200 µg/L
Town of Greenwood Water System Greenwood LA
57.1025 µg/L 29%
of the EPA limit 200 µg/L
Lebanon Water Auth Lebanon PA
55.8 µg/L 28%
of the EPA limit 200 µg/L
Assumption Parish Ww District 1 Napoleonville LA
47.32 µg/L 24%
of the EPA limit 200 µg/L
Town of Blanchard Water System Blanchard LA
46.04 µg/L 23%
of the EPA limit 200 µg/L
Town of Many Water System Many LA
44.5775 µg/L 22%
of the EPA limit 200 µg/L
Town of Vivian Water System Vivian LA
41.61 µg/L 21%
of the EPA limit 200 µg/L
New Orleans Algiers Water Works — LA
39.4395 µg/L 20%
of the EPA limit 200 µg/L
W Jefferson Ww District 2 Jefferson LA
38.764 µg/L 19%
of the EPA limit 200 µg/L
Parish Utilities of Ascension Donaldsonville LA
38.2061 µg/L 19%
of the EPA limit 200 µg/L
Berwick Bayou Vista Ww Commission Berwick LA
38.1774 µg/L 19%
of the EPA limit 200 µg/L
Water & Sewer Commission 4 of St Mary Charenton LA
38.1311 µg/L 19%
of the EPA limit 200 µg/L
City of Patterson Water System Patterson LA
38.0848 µg/L 19%
of the EPA limit 200 µg/L
St Mary Water & Sewer Comm #3 Centerville LA
38.0848 µg/L 19%
of the EPA limit 200 µg/L
City of Franklin Water Supply Franklin LA
38.0385 µg/L 19%
of the EPA limit 200 µg/L
Lakeview Estates Subd Ws — LA
37.87 µg/L 19%
of the EPA limit 200 µg/L

Frequently asked questions about Dalapon

What is Dalapon in drinking water?

Dalapon 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 Dalapon?

The EPA's Maximum Contaminant Level for Dalapon is 200 µg/L, and its health goal (MCLG) is 200 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 Dalapon in US tap water?

Of the 27,533 water suppliers with results on file, 840 detected Dalapon — 3.1% of those tested.