Illinois · population 10,299
Lead pipes in Riverdale, IL
241 lead or galvanized lines to replace
Most of Riverdale (population 10,299) gets its water from Riverdale. That system reported 195 lead and 46 galvanized-requiring-replacement service lines out of 3,224, with 2,755 more of unknown material.
7.5% of Riverdale's service lines are lead or galvanized requiring replacement, lower than the Illinois average (17%) and higher than the national average (3.1%).
- Lead 6.0%
- Galvanized (replace) 1.4%
- Unknown 85%
- Non-lead 7.1%
Latest lead test for Riverdale (Jan 2026–Jun 2026): 4.9 ppb 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 Riverdale.
Water systems serving Riverdale
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| RiverdaleMain system | 195 | 46 | 2,755 | 7.5% |
| HarveyServes nearby areas | 131 | 59 | 8,009 | 2.3% |
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 Riverdale
The counts above cover the whole water system. To see whether your line is lead, look up your address on Riverdale'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
- Dixmoor24 lead + galv. lines
- Calumet Park2,231 lead + galv. lines
- Phoenix322 lead + galv. lines
- Dolton2,358 lead + galv. lines
- Blue Island778 lead + galv. lines
- Harvey190 lead + galv. lines
- Posen1,122 lead + galv. lines
- South Holland1,310 lead + galv. lines
Check another water system
Questions
Does Riverdale, IL have lead pipes?
Yes. Riverdale, which serves Riverdale, reported 195 lead and 46 galvanized-requiring-replacement service lines, plus 2,755 of unknown material.
Who supplies water to Riverdale?
EPA's service area maps place most of Riverdale in Riverdale's service area (PWSID IL0312580). Harvey also serves parts of the city or nearby areas.
How do I check whether my Riverdale home has a lead service line?
Search your address on Riverdale'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 Riverdale 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 Riverdale whether your street is scheduled and whether it covers the private side.