Public water system record
Rock Island
Serves Rock Island, Rock Island County, IL · 39,018 people served
Federal records show no health-based violations and 34 monitoring/reporting issues for Rock Island in the last ten years. At least one of these issues remains unresolved.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 34
Key facts
- Rock Island draws water from 1 surface water intake.
- Record on file since 1977, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 207 lead and 9,258 unknown out of 12,082 service lines.
Check whether Rock Island serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Chlordane
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
2,4-D
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
LASSO
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Atrazine
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Aldicarb
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Aldicarb sulfone
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Aldicarb sulfoxide
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Picloram
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Simazine
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Endothall
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Diquat
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Dalapon
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Endrin
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
Full record since 1977
EPA's records for Rock Island go back to 1977. Before October 19, 2016 they list 3 health-based violations (1 resolved, 2 archived by EPA without a recorded fix) and 8 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1980s | 3 | 0 |
| 1990s | 0 | 5 |
| 2000s | 0 | 2 |
| 2020s | 0 | 34 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began August 1988, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Aug 1, 1988 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Aug 1, 1987 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Aug 14, 1986 | Archived |
Where the water comes from
Rock Island draws water from 1 surface water intake. It also has an emergency connection to Moline. 1 smaller public system such as schools, businesses or campgrounds buys water from Rock Island. 2 other public water systems have emergency connections to Rock Island.
Emergency or part-time connections to
- Moline Moline, IL
Annual water quality report
Rock Island must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Illinois.
Certified drinking water labs by state EPA guidance for private wells