Iowa · population 1,563
Lead pipes in Corydon, IA
64 lead or galvanized lines to replace
Most of Corydon (population 1,563) gets its water from Corydon Water Supply. That system reported 59 lead and 5 galvanized-requiring-replacement service lines out of 851, with 6 more of unknown material.
7.5% of Corydon Water Supply's service lines are lead or galvanized requiring replacement, higher than the Iowa average (5.6%) and higher than the national average (3.1%).
- Lead 6.9%
- Galvanized (replace) 0.6%
- Unknown 0.7%
- Non-lead 92%
Latest lead test for Corydon Water Supply (Jan 2021–Dec 2023): not detected at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for Corydon Water Supply.
Water systems serving Corydon
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Corydon Water SupplyMain system | 59 | 5 | 6 | 7.5% |
| Rathbun Regional Water Assn (Rathbun)Serves nearby areas | 0 | 0 | 9,323 | 0% |
Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.
Check your address in Corydon
The counts above cover the whole water system. To see whether your line is lead, look up your address on Corydon Water Supply's official inventory. Utilities had to make these public by October 16, 2024.
No map yet? Do the 2-minute scratch and magnet test.
Protect your drinking water
If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.
Choosing a lead-certified filter · Testing your water · Replacement cost
Nearby cities
- Chariton27 lead + galv. lines
- Leon83 lead + galv. lines
- Centerville71 lead + galv. lines
- Osceola337 lead + galv. lines
- Melcher-Dallas1 unknown
- Albia9,323 unknown
- Knoxville49 lead + galv. lines
- Pleasantville8 lead + galv. lines
Check another water system
Questions
Does Corydon, IA have lead pipes?
Yes. Corydon Water Supply, which serves Corydon, reported 59 lead and 5 galvanized-requiring-replacement service lines, plus 6 of unknown material.
Who supplies water to Corydon?
EPA's service area maps place most of Corydon in Corydon Water Supply's service area (PWSID IA9334078). Rathbun Regional Water Assn (Rathbun) also serves parts of the city or nearby areas.
How do I check whether my Corydon home has a lead service line?
Search your address on Corydon Water Supply's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.
When will lead pipes in Corydon be replaced?
EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask Corydon Water Supply whether your street is scheduled and whether it covers the private side.