Passage Data · Check a report · Use it from your AI
Sewage treatment plant, Kittitas, Washington. NPDES permit WA0021253, in force until Mar 31, 2029. Last 12 months: over a limit 2 times (last April 2026), 2 of 33 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| April 2026 | Nitrogen, ammonia total [as N], average | 7.77 | ≤ 2 mg/L | 289% |
| April 2026 | Nitrogen, ammonia total [as N], maximum | 9.34 | ≤ 4 mg/L | 134% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | single reading | report only (deg C) (alert, not enforceable) | all year | 001 |
| Temperature, water deg. centigrade | single reading | report only (deg C) (alert, not enforceable) | all year | 001 |
| Temperature, water deg. centigrade | single reading | report only (deg C) (alert, not enforceable) | all year | 001 |
| Oxygen, dissolved [DO] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Oxygen, dissolved [DO] | minimum | ≥ 2 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 15 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 23 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 56 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 86 lb/d | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| Alkalinity, total [as CaCO3] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Solids, total suspended | average | ≤ 10 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 15 mg/L | all year | 001 |
| Solids, total suspended | average | ≤ 38 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 56 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | average | ≤ 2 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum | ≤ 4 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | single reading | report only (lb/d) (alert, not enforceable) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrite + Nitrate total [as N] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, total [as P] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, dissolved reactive [drp as P] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Hardness, total [as CaCO3] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year | 001 |
| Oil & grease, non-polar material | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Solids, total dissolved | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Coliform, fecal general | single reading | report only (#/100mL) (alert, not enforceable) | all year | 001 |
| Coliform, fecal general | monthly geometric mean | ≤ 100 #/100mL | all year | 001 |
| Coliform, total general | single reading | report only (MPN/100mL) (alert, not enforceable) | all year | 001 |
| Flow | single reading | report only (MGD) (alert, not enforceable) | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| BOD, 5-day, 20 deg. C | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | IN1 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | IN1 |
| Sludge/Solids, depth | single reading | report only (ft) (alert, not enforceable) | all year | LAG1 |
| Sludge/Solids, depth | single reading | report only (ft) (alert, not enforceable) | all year | LAG2 |
| Sludge/Solids, depth | single reading | report only (ft) (alert, not enforceable) | all year | RF1 |
| Sludge/Solids, depth | single reading | report only (ft) (alert, not enforceable) | all year | RF2 |
Cited limits by parameter: Washington's rules and the federal ones.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/WA0021253 · MCP: https://passage-data.com/mcp