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Lawn And Garden Services, Buffalo Grove, Illinois. NPDES permit IL0067881, in force until Sep 30, 2029. Last 12 months: over a limit 2 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| June 2026 | Solids, total suspended, daily maximum | 38 mg/L | ≤ 24 mg/L | 58% |
| June 2026 | pH, monthly maximum | 9.9 SU | ≤ 9 SU | — |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 10 mg/L | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 20 mg/L | all year |
| pH | monthly minimum | ≥ 6.5 SU | all year |
| pH | monthly maximum | ≤ 9 SU | all year |
| Solids, total suspended | 30-day average | ≤ 12 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 24 mg/L | all year |
| Nitrogen, total [as N] | semi-annual average | report only (mg/L) | Jun, Dec |
| Nitrogen, total [as N] | semi-annual maximum | report only (mg/L) | Jun, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.1 mg/L | Mar, Apr, May, Sep, Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.8 mg/L | Jun–Aug |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.6 mg/L | Jan, Feb, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.9 mg/L | Mar, Apr, May, Sep, Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 14.7 mg/L | Jun–Aug |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5.4 mg/L | Jan, Feb, Nov, Dec |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 4.6 mg/L | Jun–Aug |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 5.1 mg/L | Mar, Apr, May, Sep, Oct |
| Phosphorus, total [as P] | semi-annual average | report only (mg/L) | Jun, Dec |
| Phosphorus, total [as P] | semi-annual maximum | report only (mg/L) | Jun, Dec |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
Cited limits by parameter: Illinois's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/IL0067881 · MCP: https://passage-data.com/mcp