| Instrument | Field | Lab | On-Line | IQ | Mfgr. |
| Ammonia | ◘ | ◘* | WTW | ||
| BOD | ◘ | ◘ | ◘ | WTW | |
Chlorine
 |
◘* | ◘* | ◘* | HF | |
Color
 |
call | ◘* | ◘* | HOWILL | |
| Conductivity | ◘ | ◘ | ◘* | ◘ | WTW |
| Corrosion | ◘ | ◘ | ◘ | RCS | |
| Dissolved Oxygen | ◘ | ◘ | ◘ | ◘* | WTW |
| Nitrate | ◘ | ◘ | WTW | ||
| Nitrite | ◘ | WTW | |||
| ORP | ◘ | ◘ | ◘ | ◘ | WTW |
| pH | ◘ | ◘ | ◘* | ◘ | WTW |
| KMnO4 | ◘ | ◘* | HOWILL | ||
| Sampler | ◘ | ◘ | WTW | ||
| Streaming Current | ◘* | HF | |||
| Suspended Solids | ◘ | ◘* | WTW | ||
| Temperature | ◘ | ◘ | ◘ | ◘ | WTW |
| TOC | ◘ | ◘ | ◘ | HF/WTW | |
Turbidity
 |
◘ | ◘ | ◘* | ◘* | HF/WTW |
| UV254 | ◘ | ◘* | ◘ | HF/WTW |
