SampleID	sewer	Unknown
JL1.1	0.19084702	0.80915298
JL1.2	0.274073597	0.725926403
JL1.3	0.211917808	0.788082192
KJ3.1	0.357466497	0.642533503
KJ3.2	0.268667716	0.731332284
KJ3.3	0.333493907	0.666506093
SR1.1	0.141982622	0.858017378
SR1.2	0.138554073	0.861445927
SR1.3	0.11650708	0.88349292
SC-1	0.999693777	0.000306223
SC-2	0.999689237	0.000310763