Clean Water Act discharge permit · NPDES IL0024767
CITY WATER LIGHT AND POWER, Springfield, IL: NPDES IL0024767 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 13Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
CITY WATER LIGHT AND POWER, held by SPRINGFIELD CWLP, holds NPDES permit IL0024767, which discharges to Lake Springfield. EPA’s file records it issued December 5, 2001 and expiring December 31, 2006. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | CITY WATER LIGHT AND POWER |
|---|---|
| Permittee as filed | SPRINGFIELD CWLP |
| NPDES ID | IL0024767 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 5, 2001 |
| Expiration date | December 31, 2006 |
| Address | Springfield, IL 62707 |
| Receiving water | LAKE SPRINGFIELD |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lake Springfield-Sugar Creek (HUC 071300070707) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 13Under a numeric limit
- 12With a violation of any kind
- 5With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Boron, total [as B] | 6 | 98 | 82 | February 28, 2026 | 136% over the limit |
| Solids, total suspended | 18 | 35 | 35 | June 30, 2026 | 66,567% over the limit |
| pH | 20 | 25 | 25 | July 31, 2026 | |
| Iron, total [as Fe] | 8 | 10 | 10 | December 31, 2015 | 1,170% over the limit |
| Copper, total [as Cu] | 2 | 8 | 8 | February 28, 2023 | 45% over the limit |
| Oil and grease | 16 | 4 | 0 | ||
| Chlorine, total residual | 3 | 3 | 0 | ||
| Halogen, total residual | 2 | 2 | 0 | ||
| Chlorination frequency | 2 | 2 | 0 | ||
| Chlorination duration | 2 | 2 | 0 | ||
| Chlorine usage | 2 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 29 | 1 | 0 | ||
| Temperature, water deg. fahrenheit | 3 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IL0024767.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IL0024767.
Start the watch
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- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID IL0024767 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.