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Federal facility (National Security), Ft Riley, Kansas. NPDES permit KS0096598, in force until Sep 30, 2029. Last 12 months: over a limit once (last June 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit |
|---|---|---|---|
| June 2026 | pH, daily maximum | 9.37 SU | ≤ 9 SU |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| pH | monthly average | report only (SU) | all year |
| Solids, total suspended | monthly average | ≤ 60 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 90 mg/L | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year |
| Oil & Grease | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year |
| Arsenic, total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Arsenic, total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Selenium, total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Selenium, total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Thallium, total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Thallium, total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Beryllium, total recoverable [as Be] | monthly average | report only (ug/L) | Oct–Dec |
| Beryllium, total recoverable [as Be] | monthly average | report only (ug/L) | Oct–Dec |
| Nickel, total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Nickel, total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Silver total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Silver total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Zinc, total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Zinc, total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Cadmium, total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Cadmium, total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Lead, total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Lead, total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Chromium, total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Chromium, total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Copper, total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Copper, total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Antimony, total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Antimony, total recoverable | monthly average | report only (ug/L) | Oct–Dec |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Phosphorus, Total As P | daily average | report only (mg/L) | all year |
| Phosphorus, Total As P | EPA's "DPD AVG" | ≤ 19 lb/d | all year |
| Total Petroleum Hydrocarbons - Diesel | monthly average | report only (ug/L) | all year |
| Total Petroleum Hydrocarbons - Diesel | monthly average | report only (ug/L) | all year |
| Mercury, total [as Hg] | monthly average | report only (ug/L) | Oct–Dec |
| Mercury, total [as Hg] | monthly average | report only (ug/L) | Oct–Dec |
| Volatile compounds, [GC/MS] | monthly average | report only (ug/L) | Oct–Dec |
| Volatile compounds, [GC/MS] | monthly average | report only (ug/L) | Oct–Dec |
| Hydrocarbons, petroleum | monthly average | report only (ug/L) | all year |
| Hydrocarbons, petroleum | monthly average | report only (ug/L) | all year |
Cited limits by parameter: Kansas's rules and the federal ones.
Same industry: the 3 National Security and International Affairs permits in Kansas.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/KS0096598 · MCP: https://passage-data.com/mcp