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ANNUAL DISCHARGE MONITORING REPORT FOR 1999 |
| Summary
of Monthly Results Incidents of Non-Compliance Summary of Monthly Metals, Cyanide and Phenol Concentrations NSMCSD - WWTP Monthly Flow NSMCSD - WWTP Effluent BOD NSMCSD - WWTP Monthly Effluent NH3 NSMCSD - WWTP Monthly Effluent Suspended Solids NSMCSD - WWTP Effluent Toxicity |
| Summary of Monthly Results |
| PARAMETER/MONTH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Min | Max | Average |
| Influent | |||||||||||||||
| Daily Flow | 6.75 | 7.31 | 6.62 | 6.84 | 6.48 | 6.47 | 6.30 | 6.34 | 6.33 | 6.77 | 7.07 | 6.93 | 6.3 | 7.31 | 6.68 |
| Daily Peak Flow | 11.6 | 13.8 | 12.2 | 11.3 | 11.7 | 10.6 | 10.2 | 9.9 | 11.5 | 11.9 | 12.8 | 11.51 | 9.9 | 13.8 | 11.584 |
| BOD | 301 | 277 | 288 | 302 | 294 | 308 | 320 | 299 | 317 | 266 | 327 | 301 | 266 | 327 | 300 |
| Suspended Matter | 207 | 217 | 193 | 214 | 221 | 227 | 234 | 243 | 245 | 220 | 230 | 232 | 193 | 327 | 224 |
| Oil and Grease | 35 | 38 | 378 | 47 | 58 | 51 | 30 | 37 | 67 | 63.5 | 37 | 42 | 30 | 378 | 77 |
| Effluent Composite | |||||||||||||||
| BOD | 13.6 | 10.3 | 11.2 | 10.6 | 9.0 | 12.5 | 12.3 | 9.8 | 10.3 | 11.3 | 7.8 | 9.6 | 7.8 | 13.6 | 10.7 |
| Suspended Matter | 9.3 | 6.0 | 6.6 | 6.7 | 3.5 | 6.3 | 4.8 | 4.3 | 6.7 | 11.2 | 5.3 | 6.0 | 3.5 | 11.2 | 6.4 |
| Oil/Grease | <6.1 | <5 | <5 | <7.25 | <5 | <5 | <5 | <5.6 | <5 | <5 | 7.5 | <5 | 7.5 | 7.5 | 7.5 |
| Turbidity | 6.4 | 4.5 | 4.6 | 4.8 | 3.4 | 4.7 | 3.6 | 3.4 | 4.6 | 7.2 | 3.6 | 4.7 | 3.4 | 7.2 | 4.6 |
| pH | 7.2 | 7.3 | 7.2 | 7.2 | 7.3 | 7.1 | 7.3 | 7.3 | 7.3 | 7.1 | 7.0 | 7.2 | 7.0 | 7.3 | 7.2 |
| Ammonia | 30.3 | 21.4 | 27.9 | 33.0 | 30.8 | 31.1 | 29.6 | 27.8 | 27.7 | 27.8 | 28.1 | 29.1 | 21.4 | 33.0 | 28.7 |
| Bioassay, Survival | 100% | 100% | 90% | 97.5% | 92.5% | 83% | 87.5% | 90% | 87.5% | 100% | 97.5% | 90% | 83% | 100% | 93% |
| Effluent Grab | |||||||||||||||
| Temperature Co | 19.6 | 19.2 | 19.7 | 20.3 | 21.6 | 22.4 | 23.4 | 24.2 | 23.7 | 23.7 | 22.4 | 20.9 | 19.2 | 24.2 | 21.8 |
| pH | 6.6 | 6.9 | 6.6 | 6.6 | 6.7 | 6.6 | 6.7 | 6.5 | 6.8 | 6.6 | 6.6 | 6.7 | 6.5 | 6.9 | 6.7 |
| Dissolved Oxygen | 6.9 | 6.5 | 6.4 | 6.0 | 6.6 | 6.1 | 5.5 | 6.3 | 6.1 | 6.2 | 6.3 | 6.4 | 5.5 | 6.9 | 6.3 |
| Settleable Matter | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 |
| Coliform, 7-day Median | <20 | <20 | <20 | <20 | <20 | <20 | <20 | <20 | <20 | <20 | <20 | <20 | <20 | <20 | <20 |
| Chlorine Residual/mins. | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 240.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 240.0 | 20.000 |
| Incidents of Non-Compliance |
| Chlorine Residual | Toxicity | Settleable | Suspended | Bypass | ||
| Violations | Total | Renewal | Matter | Matter | Events | |
| Month | Number | Minutes | Number | Number | Number | Number |
| January | 0 | 0 | 0 | 0 | 0 | 0 |
| February | 0 | 0 | 0 | 0 | 0 | 0 |
| March | 0 | 0 | 0 | 0 | 0 | 0 |
| April | 0 | 0 | 0 | 0 | 0 | 0 |
| May | 0 | 0 | 0 | 0 | 0 | 0 |
| June | 0 | 0 | 0 | 0 | 0 | 0 |
| July | 0 | 0 | 0 | 0 | 0 | 0 |
| August | 1 | 240 | 0 | 0 | 0 | 0 |
| September | 0 | 0 | 0 | 0 | 0 | 0 |
| October | 0 | 0 | 0 | 0 | 0 | 0 |
| November | 0 | 0 | 0 | 0 | 0 | 0 |
| December | 0 | 0 | 0 | 0 | 0 | 0 |
| TOTALS | 1 | 240 | 0 | 0 | 0 | 0 |
| COMPLIANCE | 99.98% | 99.95% | 100.00% | 100.00% | 100.00% | 100.00% |
| Summary of Monthly Metals, Cyanide and Phenol Concentrations |
| PARAMETER | Detection | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Min | Max | Average |
| Limit | ||||||||||||||||
| Effluent Composite | ug/L | |||||||||||||||
| Arsenic | 100.0 | <100 | <100 | <100 | <100 | <100 | <100 | <100 | <100 | <100 | <100 | <100 | <100 | <100 | <100 | <100 |
| Cadmium | 10.0 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 |
| Chromium | 10.0 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 |
| Chromium VI | 5.0 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 |
| Copper | 10.0 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | 11 | 11 | <10 | 10 | <10 | 11 | <10 |
| Cyanide, total | 10.0 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 |
| Lead | 100.0 | <100 | <100 | <100 | <100 | <100 | <100 | <100 | <100 | <100 | <100 | <100 | <100 | <100 | <100 | <100 |
| Mercury | 0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 |
| Nickel | 50.0 | <50 | <50 | <50 | <50 | <50 | <50 | <50 | <50 | <50 | <50 | <50 | <50 | <50 | <50 | <50 |
| Phenolic, Total | 50.0 | <50 | <50 | <50 | <50 | <50 | <50 | <50 | <50 | <50 | <50 | <50 | <50 | <50 | <50 | <50 |
| Selenium | 5.0 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 |
| Silver | 10.0 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 | <10 |
| Zinc | 10.0 | 31 | 19 | 23 | 24 | 20 | 17 | 22 | 30 | 42 | 26 | 28 | 25 | 17 | 42 | 25 |
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